000 00306 a2200133 4500
080 _a5
_bS 27
245 1 _aScience news 13
_cedited by J.L. Crammer
260 _aPenguin
_bMiddlesex Books
_c1949
650 _aScience
700 _aCrammer, J.L., ed.
100 _a
_d
300 _a158 p.
901 _a218317
999 _c65597
_d65597