000 00296nam a2200121Ia 4500
001 10582
008 170722s9999 xx 000 0 und d
245 _aMcGRAW-HILL ENCYCLOPEDIA of science and technology. 15v. /
260 _c1960.
653 _aEncyclopedia
653 _aScience
942 _cGEN
999 _c54048
_d54048