000 00331nam a2200133Ia 4500
008 230118s9999||||xx |||||||||||||| ||und||
082 _a540
082 _bTHO/T
100 _aprof.a.o
_bthomas
245 0 _atext book of chemistry for pre-degree course
260 _acannanore
260 _bscientific book centre
260 _c1979
999 _c11737
_d11737