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