000 00291nam a2200133Ia 4500
100 _aM.Y.S.T.
020 _a-
942 _cBK
245 _aMacGraw-Hill Yearbook of science & technology
260 _aNew York
_b-
_c1973
082 _a505
_bM.Y.S.T.
300 _ax,468
546 _aEnglish
999 _c329117
_d329117
041 _aeng