000 00358nam a2200133Ia 4500
008 180612s9999||||xx |||||||||||||| ||und||
041 _aen
082 _a517
100 _aMcGRAW-HILL BOOK CO.
245 0 _aEncyclopedia of science and technology: study guide
260 _bNew York. McGraw-Hill Book Co
_c., US 1977
300 _a30 Vol.
942 _cPR
999 _c38877
_d38877