000			00327nam a2200145Ia 4500
100			_aLAPEDES/ D.N.Ed.
650			_aGeneral
942			_cBK
654			_aScience & technology
245			_aYear book of science & technology
260			_bMcGraw Hill _aNew York _c1978
082			_a505
300			_a417
546			_aENGLISH
999			_c29642 _d29642