000 00353nam a2200133Ia 4500
654 _aGEN
100 _aWesting House Educational Foundation.
250 _a1st Ed.
245 _aScience And Life In The World Sci.&Civilization 3
260 _bTata McGraw-Hill Publishing Company Limited
_c1948
082 _bWES
300 _a198p.
999 _c8654
_d8654
300 _c22 cm.
655 _a24G
041 _aeng
546 _aText in English