000 00428nam a2200181Ia 4500
008 180424s9999 xx 000 0 und d
020 _a60402075
084 _a574 A4
100 _a"Allen, Robert Day"
245 0 _aScience of Life
250 _a\\197700ENGGPSX
260 _aHarper Collins
260 _b1977
260 _cNew York
300 _axxiv+438 p
500 _aincludes index and biblioraphy
942 _cBK
999 _c37926
_d37926