000 00478nam a2200145Ia 4500
008 211109s9999||||xx |||||||||||||| ||und||
082 _a541
_bSIG-B
100 _aNo Author,
245 0 _aBiochemical Organoc Compounds:For Research and Diagnostic Reagents
260 _bSIGMA Chemical Company
_aUnknown
_c1989
300 _a1948p
630 _xGENERAL STACK
650 _aPhysical chemistry
_vChemistry & allied sciences
_xNatural sciences & mathematicsChemistry
942 _cBOOK
999 _c44294
_d44294