000 00294 a2200121 4500
080 _a54(498)
_bR 588 O
245 1 _aOmagui
_cby Raluca Ripan
260 _aRomaina
_bAcademiei Republicii Socialiste
_c1966
650 _aChemistry
100 1 _aRipan, Raluca
_d
300 _a627 p.
901 _a86123
999 _c28525
_d28525