000 00364nam a2200157Ia 4500
100 _aMc Graw Hill
650 _aGeneral
250 _a7
490 _v1
942 _cBK
654 _aMc graw hill encyclopedia
245 _aMc Graw Hill Circuit Encyclopaedia of Science & technology
260 _bMc Graw Hill
_c1992
546 _aENGLISH
999 _c25561
_d25561