000 00431nam a22001097a 4500
008 231013s2000 ||||| |||| 00| 0 eng d
100 _aPetitjean, R
_9279785
245 _aMolecular hydrogen and the nature of damped Lyman-alpha systems :
_bScientific preprint /
_c Patrick Petitjean, R. Srianand, Cédric Ledoux.
264 _a[S.l.],
_c2000.
653 _aასტრონომია
653 _aმზის სისტემა
999 _c709494
_d709492