000 00399nam a2200169Ia 4500
008 180424s9999 xx 000 0 und d
084 _a605 S1:38
100 _a"Haslett, A W"
245 0 _aScience News Number 39
250 _a\\195600ENGGPS000
260 _aPenguin
260 _b1956
260 _cHermondsworth
300 _a137 p
500 _aincludes index and biblioraphy
942 _cBK
999 _c2677
_d2677