000 00278nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a5(031)
_bDEM
245 0 _aGreat world encyclopedia of science
260 _aMaidenhead
_bSampson
_c1977
700 _aDempsey, M W
942 _cBK
999 _c26585
_d26585