000 00336nam a2200121Ia 4500
100 _aMac Graw- Hill book co.
942 _cBK
245 _aMac Grow-Hill encyclopedia of science and technolgy: international reference
260 _aNew York
_bMac Graw hill book co.
_c1960
082 _a503
_bMac
300 _a11,703
546 _aEnglish
999 _c335699
_d335699
041 _aeng