000 00349nam a2200157Ia 4500
005 20180906140557.0
008 160615s9999 xx 000 0 und d
100 _aHASLETT(A W) Ed
245 _aScience news. Vol.34
260 _bPenguin Books
260 _c1954
300 _a128 p.
942 _cBK
_2udc
999 _c2301
_d2301