000 00474nam a2200181Ia 4500
003 NDCL
008 180829s9999||||ii |||||||||||||| ||eng||
020 _a13386
040 _aNDCL
041 _aEnglish
082 _a541.396 BG
_216th ed
100 _aBrown , G.I.
245 0 _aAnew guide to modern valency theory +AC0-si units
_cG.I. Brown
250 _aTHIRD
260 _c1973
_bTHE ENGLISH LANGUAGE BOOK SOCIETY AND LONGMAN
650 _aChemistry
942 _2DDC
_cBK
999 _c4692
_d4692