000 00354nam a2200121Ia 4500
008 100324s9999 xx 000 0 und d
100 _aNIL
245 _aMcGraw. Hill encyclopedia of science and technology V2
260 _bMcGraw-Hill Book Company
_aNew York
541 _g7310/84 7/7/84
650 _aGENERAL
942 _cBK
999 _c2868
_d2868