000 00250nam a22001097a 4500
020 _a853120110
050 _aMED QD8.3
_bC48
245 _aCHEMICAL INFORMATION SYSTEMS
260 _aNEW YORK
_bELLIS HORWOOD
_c1975
300 _aX,309P
_bILL
942 _cBK
999 _c14574
_d14574