Galactic chronology of thorium/neodymium. RepliesFOWLER, W. A; BUTCHER, H; NOERDLINGER, P. D et al.Nature (London). 1987, Vol 330, Num 6150, pp 703-704, issn 0028-0836Article

Sub-iron to iron nuclei in low-energy (50-200 MeV nucl^-1) cosmic rays as observed in the skylab experimentDURGAPRASAD, N; BISWAS, S.Astrophysics and space science. 1988, Vol 149, Num 1, pp 163-170, issn 0004-640XArticle

The interstellar N/O abundance ratio : Evidence for local infall?'KNAUTH, David C; MEYER, David M; LAUROESCH, James T et al.The Astrophysical journal. 2006, Vol 647, Num 2, issn 0004-637X, L115-L118, 2Article

A reanalysis of the HCO⁺/HOC⁺ abundance ratio in dense interstellar cloudsJARROLD, M. F; BOWERS, M. T; DEFREES, D. J et al.The Astrophysical journal. 1986, Vol 303, Num 1, pp 392-400, issn 0004-637X, 1Article

Why did Comet 17P/Holmes burst out? : Nucleus splitting or delayed sublimation?ALTENHOFF, W. J; KREYSA, E; MENTEN, K. M et al.Astronomy and astrophysics (Berlin. Print). 2009, Vol 495, Num 3, pp 975-978, issn 0004-6361, 4 p.Article

Anomalous nitrogen isotope ratio in cometsARPIGNY, Claude; JEHIN, Emmanuël; MANFROID, Jean et al.Science (Washington, D.C.). 2003, Vol 301, Num 5639, pp 1522-1524, issn 0036-8075, 3 p.Article

The deuterium-to-hydrogen abundance ratio toward the QSO SDSS J155810.16-003120.0O'MEARA, John M; BURLES, Scott; PROCHASKA, Jason X et al.The Astrophysical journal. 2006, Vol 649, Num 2, issn 0004-637X, L61-L65, 2Article

On the measurement of elemental abundance ratios in inner Galaxy H II regionsSIMPSON, Janet P; RUBIN, Robert H; COLGAN, Sean W. J et al.The Astrophysical journal. 2004, Vol 611, Num 1, pp 338-352, issn 0004-637X, 15 p., 1Article

Evidence for anomalous cosmic-ray hydrogenCHRISTIAN, E. R; CUMMINGS, A. C; STONE, E. C et al.The Astrophysical journal. 1988, Vol 334, Num 2, pp L77-L80, issn 0004-637XArticle

Simple leaky box model for cosmic-ray propagation, models for production of antiprotons at ultrahigh energies and the estimations of the p/p ratiosBHATTACHARYYA, S; PRATIBHA PAL.Nuovo cimento della società italiana di fisica. C. 1986, Vol 9, Num 5, pp 961-983, issn 0390-5551Article

An XMM-Newton study of the RGH 80 galaxy groupXUE, Y.-J; BÖHRINGER, H; MATSUSHITA, K et al.Astronomy and astrophysics (Berlin. Print). 2004, Vol 420, Num 3, pp 833-845, issn 0004-6361, 13 p.Article

Detection of formaldehyde toward the extreme carbon star IRC +10216SAAVIK FORD, K. E; NEUFELD, David A; SCHILKE, Peter et al.The Astrophysical journal. 2004, Vol 614, Num 2, pp 990-1006, issn 0004-637X, 17 p., 1Article

Sublimation from icy jets as a probe of the interstellar volatile content of cometsBLAKE, G. A; QI, C; HOGERHEIJDE, M. R et al.Nature (London). 1999, Vol 398, Num 6724, pp 213-216, issn 0028-0836Article

CALCIUM-TO-ARGON AND NICKEL-TO-ARGON ABUNDANCE RATIOS AS TRACERS OF THE SOURCE REGION OF POSTFLARE LOOP SYSTEM MATERIALWIDING, K. G; FELDMAN, U.The Astrophysical journal. 2008, Vol 675, Num 1, pp 863-867, issn 0004-637X, 5 p., 1Article

Les comètes, source possibles de matériaux organiques terrestres = Comets, possibles sources of terrestrials organics materialsLEVASSEUR-REGOURD, A.-C.L' Astronomie (1911). 1989, Num 12, pp 495-497, issn 0004-6302, 3 p.Article

Para/ortho abundance ratio of molecular hydrogen in NGC 2023TAKAYANAGI, K; SAKIMOTO, K; ONDA, K et al.The Astrophysical journal. 1987, Vol 318, Num 2, pp L81-L84, issn 0004-637X, 2Article

Minor ion composition in the polar ionosphereYAU, A. W; WHALEN, B. A; SAGAWA, E et al.Geophysical research letters. 1991, Vol 18, Num 2, pp 345-348, issn 0094-8276, 4 p.Article

Some comments on the asymptotic limit of antiproton-proton flux ratio at the top of the atmosphereALLKOFER, O. C; BHATTACHARYYA, D. P.Astrophysics and space science. 1987, Vol 132, Num 1, pp 141-146, issn 0004-640XArticle

Molecular abundance ratios as a tracer of accelerated collapse in regions of high-mass star formationLINTOTT, C. J; VITI, S; RAWLINGS, J. M. C et al.The Astrophysical journal. 2005, Vol 620, Num 2, pp 795-799, issn 0004-637X, 5 p., 1Article

Isotopic composition of solar wind neon measured by CELIAS/MTOF on board SOHOKALLENBACH, R; IPAVICH, F. M; COPLAN, M. A et al.Journal of geophysical research. 1997, Vol 102, Num A12, pp 26895-26904, issn 0148-0227Article

The elemental and isotropic composition of galactic cosmic-ray nuclei from scandium through nickelLESKE, R. A.The Astrophysical journal. 1993, Vol 405, Num 2, pp 567-583, issn 0004-637X, 1Article

The ¹²C/¹³C abundance ratio in comet HalleyWYCKOFF, S; LINDHOLM, E; WEHINGER, P. A et al.The Astrophysical journal. 1989, Vol 339, Num 1, pp 488-500, issn 0004-637X, 1Article

The D/H ratio for JupiterSMITH, W. H; SCHEMPP, W. V; BAINES, K. H et al.The Astrophysical journal. 1989, Vol 336, Num 2, pp 967-970, issn 0004-637X, 1Article

Trends in copper and zinc abundances for disk and halo starsSNEDEN, C; GRATTON, R. G; CROCKER, D. A et al.Astronomy and astrophysics (Berlin. Print). 1991, Vol 246, Num 2, pp 354-367, issn 0004-6361, 14 p.Article

Energetic particle composition measurements from Phobos 2 : results of the LET experimentMARSDEN, R. G; WENZEL, K.-P; AFONIN, V. V et al.Planetary and space science. 1991, Vol 39, Num 1-2, pp 57-66, issn 0032-0633, 10 p.Conference Paper