000 003510000a22001330004500
008 140223b1950 xxu||||| |||| 00| 0 eng d
041 _aENG
080 _aAm3:N43 J0
082 _aAm3:N43 J0
245 _aScience News, ed. by J.L.Crammer.17.
260 _aHarmondsworth
_bPenguin
_c1950
650 _aSCIENTIFIC DICTIONARIES.
906 _aSCIENCE
999 _c222511
_d222511