000 00385nam a2200145Ia 4500
008 231101s1973 xx 000 0 eng d
041 _aENGLISH
100 _aHERBERT D THIER
245 0 _aTEACHING ELEMENTARY SCHOOL SCIENCE
260 _aDELHI
_bSTERLING PUBLISHERS PVT LTD
_c1973
300 _a367
563 _aSOFT
650 _aTEACHING ELEMENTARY SCHOOL SCIENCE
942 _2ddc
_cREF
999 _c236
_d236