000 00291nam a2200097Ia 4500
008 190428s9999||||xx |||||||||||||| ||und||
100 _aAnon
_922012
245 _aMcGraw-Hill encyclopedia of science and technology (MAC-MYX)
250 _bVIII. 1960. 689
260 _bMcGraw-Hill. New York, U.S.A.
999 _c21801
_d21801