000			00288nam a2200097Ia 4500
008			190428s9999||||xx |||||||||||||| ||und||
100			_aAnon _922030
245			_aMcGraw-Hill encyclopedia of science and technology (ABA-AZU)
250			_bI. 1960. 703
260			_bMcGraw-Hill. New York, U.S.A.
999			_c21819 _d21819