000 00285nam a2200121Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _aKuznetsov V I
245 0 _aTheory Of Valency In Progress
260 _bMir Publishers
_c1980
300 _a262p
650 _aChemistry
942 _cBK
999 _c2150
_d2150