L. D. Anderson, T. M. Bania, D. S. Balser, and R. T. Rood, THE GREEN BANK TELESCOPE H II REGION DISCOVERY SURVEY. II. THE SOURCE CATALOG, The Astrophysical Journal Supplement Series, vol.194, issue.2, p.32, 2011.
DOI : 10.1088/0067-0049/194/2/32
URL : https://hal.archives-ouvertes.fr/hal-01438866

J. Bally, L. D. Anderson, and C. Battersby, observations of the W43 ???mini-starburst???, Astronomy and Astrophysics, vol.518, issue.770, pp.90-91, 2010.
DOI : 10.1051/0004-6361/201014596
URL : https://hal.archives-ouvertes.fr/hal-00662143

R. D. Blum, A. Damineli, and P. S. Conti, The Stellar Content of Obscured Galactic Giant H [CSC]ii[/CSC] Regions. I. W43, The Astronomical Journal, vol.117, issue.3, p.1392, 1999.
DOI : 10.1086/300791

A. Brunthaler, M. J. Reid, and K. M. Menten, The Bar and Spiral Structure Legacy (BeSSeL) survey: Mapping the Milky Way with VLBI astrometry, Astronomische Nachrichten, vol.693, issue.5, p.461, 2011.
DOI : 10.1002/asna.201111560

B. G. Clark, An Interferometer Investigation of the 21-CENTIMETER Hydrogen-Line Absorption., The Astrophysical Journal, vol.142, p.1398, 1965.
DOI : 10.1086/148426

S. J. Gibson, A. R. Taylor, L. A. Higgs, and P. E. Dewdney, Clouds in the Milky Way, The Astrophysical Journal, vol.540, issue.2, p.851, 2000.
DOI : 10.1086/309364

S. J. Gibson, A. R. Taylor, L. A. Higgs, C. M. Brunt, and P. Dewdney, Clouds in the Canadian Galactic Plane Survey, The Astrophysical Journal, vol.626, issue.1, p.195, 2005.
DOI : 10.1086/429870

S. J. Gibson, A. R. Taylor, L. A. Higgs, C. M. Brunt, and P. Dewdney, Self???Absorption in High???Resolution 21 Centimeter Line Surveys, The Astrophysical Journal, vol.626, issue.1, p.214, 2005.
DOI : 10.1086/429871

P. F. Goldsmith and D. Li, Narrow Self???Absorption in Dark Clouds: Correlations with Molecular Gas and Implications for Cloud Evolution and Star Formation, The Astrophysical Journal, vol.622, issue.2, p.938, 2005.
DOI : 10.1086/428032

C. Heiles and T. H. Troland, The Millennium Arecibo 21 Centimeter Absorption???Line Survey. I. Techniques and Gaussian Fits, The Astrophysical Journal Supplement Series, vol.145, issue.2, p.329, 2003.
DOI : 10.1086/367785

C. Heiles and T. H. Troland, The Millennium Arecibo 21 Centimeter Absorption???Line Survey. II. Properties of the Warm and Cold Neutral Media, The Astrophysical Journal, vol.586, issue.2, p.1067, 2003.
DOI : 10.1086/367828

T. Hill, F. Motte, and P. Didelon, : from low-mass to high-mass star-forming sites, Astronomy & Astrophysics, vol.533, p.94, 2011.
DOI : 10.1051/0004-6361/201117315

M. G. Hoare, C. R. Purcell, and E. B. Churchwell, The Coordinated Radio and Infrared Survey for High-Mass Star Formation (The CORNISH Survey). I. Survey Design, Publications of the Astronomical Society of the Pacific, vol.124, issue.919, p.939, 2012.
DOI : 10.1086/668058

J. Kainulainen, J. C. Tan, J. Kainulainen, S. E. Ragan, T. Henning et al., High-dynamic-range extinction mapping of infrared dark clouds, Astronomy & Astrophysics, vol.549, pp.53-100, 2013.
DOI : 10.1051/0004-6361/201219526

M. R. Krumholz, C. F. Mckee, and J. Tumlinson, The Atomic???to???Molecular Transition in Galaxies. I. An Analytic Approximation for Photodissociation Fronts in Finite Clouds, The Astrophysical Journal, vol.689, issue.2, p.865, 2008.
DOI : 10.1086/592490

M. R. Krumholz, C. F. Mckee, and J. Tumlinson, COLUMN DENSITIES, The Astrophysical Journal, vol.693, issue.1, p.216, 2009.
DOI : 10.1088/0004-637X/693/1/216

M. Kr?o and P. F. Goldsmith, A SURVEY OF H I NARROW SELF-ABSORPTION IN MOLECULAR CORES, The Astrophysical Journal, vol.724, issue.2, p.1402, 2010.
DOI : 10.1088/0004-637X/724/2/1402

M. Lee, S. Stanimirovi´cstanimirovi´c, and K. A. Douglas, TRANSITION ACROSS THE PERSEUS MOLECULAR CLOUD, The Astrophysical Journal, vol.748, issue.2, p.75, 2012.
DOI : 10.1088/0004-637X/748/2/75

D. F. Lester, H. L. Dinerstein, and M. W. Werner, Star formation in the inner Galaxy - A far-infrared and radio study of two H II regions, The Astrophysical Journal, vol.296, p.565, 1985.
DOI : 10.1086/163475

D. Li and P. F. Goldsmith, Narrow Self???Absorption in Dark Clouds, The Astrophysical Journal, vol.585, issue.2, p.823, 2003.
DOI : 10.1086/346227

H. S. Liszt, R. Braun, and E. W. Greisen, VLA synthesis of H I absorption toward W43 (G30.8 + 0.0), The Astronomical Journal, vol.106, p.2349, 1993.
DOI : 10.1086/116806

N. M. Mcclure-griffiths, J. M. Dickey, B. M. Gaensler, A. J. Green, and M. Haverkorn, Magnetically Dominated Strands of Cold Hydrogen in the Riegel???Crutcher Cloud, The Astrophysical Journal, vol.652, issue.2, p.1339, 2006.
DOI : 10.1086/508706

F. Motte, N. Luong, Q. Schneider, and N. , The formation of the W43 complex: constraining its atomic-to-molecular transition and searching for colliding clouds, Astronomy & Astrophysics, vol.571, pp.32-775, 2011.
DOI : 10.1051/0004-6361/201323001
URL : https://hal.archives-ouvertes.fr/hal-00981327

V. Radhakrishnan, J. D. Murray, P. Lockhart, and R. P. Whittle, The Parkes Survey of 21-CENTIMETER Absorption in Discrete-Source Spectra. II. Galactic 21-CENTIMETER 0BSERVATIONS in the Direction of 35 Extragalactic Sources, The Astrophysical Journal Supplement Series, vol.24, p.15, 1972.
DOI : 10.1086/190248

U. Rau, S. Bhatnagar, and F. N. Owen, ArXiv e-prints, 2014.

M. J. Reid, K. M. Menten, and A. Brunthaler, TRIGONOMETRIC PARALLAXES OF HIGH MASS STAR FORMING REGIONS: THE STRUCTURE AND KINEMATICS OF THE MILKY WAY, The Astrophysical Journal, vol.783, issue.2, p.130, 2014.
DOI : 10.1088/0004-637X/783/2/130

S. Bihr, THOR: The H???i, OH, Recombination line survey of the Milky Way, Astronomy & Astrophysics, vol.580
DOI : 10.1051/0004-6361/201425370
URL : https://hal.archives-ouvertes.fr/cea-01383659

S. W. Stahler, F. Palla, and F. Palla, The Formation of Stars (Physics Textbook, 2005.

J. M. Stil, A. R. Taylor, and J. M. Dickey, The VLA Galactic Plane Survey, The Astronomical Journal, vol.132, issue.3, p.1158, 2006.
DOI : 10.1086/505940

S. Strasser and A. R. Taylor, 1420 MHz Continuum Absorption toward Extragalactic Sources in the Galactic Plane, The Astrophysical Journal, vol.603, issue.2, p.560, 2004.
DOI : 10.1086/381674

S. T. Strasser, J. M. Dickey, and A. R. Taylor, Absorption, The Astronomical Journal, vol.134, issue.6, p.2252, 2007.
DOI : 10.1086/522794
URL : https://hal.archives-ouvertes.fr/hal-00706745

A. R. Taylor, S. J. Gibson, and M. Peracaula, The Canadian Galactic Plane Survey, The Astronomical Journal, vol.125, issue.6, p.3145, 2003.
DOI : 10.1086/375301

J. P. Vallée, NEW VELOCIMETRY AND REVISED CARTOGRAPHY OF THE SPIRAL ARMS IN THE MILKY WAY???A CONSISTENT SYMBIOSIS, The Astronomical Journal, vol.135, issue.4, p.1301, 2008.
DOI : 10.1088/0004-6256/135/4/1301

M. G. Wolfire, D. Hollenbach, C. F. Mckee, A. G. Tielens, and E. L. Bakes, The neutral atomic phases of the interstellar medium, The Astrophysical Journal, vol.443, p.152, 1995.
DOI : 10.1086/175510

M. G. Wolfire, C. F. Mckee, D. Hollenbach, and A. G. Tielens, Neutral Atomic Phases of the Interstellar Medium in the Galaxy, The Astrophysical Journal, vol.587, issue.1, p.278, 2003.
DOI : 10.1086/368016