000 00380nam a2200169Ia 4500
008 180424s9999 xx 000 0 und d
084 _a600 L2:1
100 _a"Low, A M"
245 0 _aScience Looks Ahead
250 _a\\194200ENGGPCX
260 _aO U P
260 _b1942
260 _cLondon
300 _a640 p
500 _aincludes index and biblioraphy
942 _cBK
999 _c2535
_d2535