00326nam a2200145Ia 4500008004000000041000800040082001100048100001400059245002400073260004300097300000800140650001200148650001000160650001000170210210b1945   xxu||||| |||| 00| 0 eng d  aeng  a539/68  aLOW (A M)  aScience looks ahead  aLondonbOxford University  Pressc1945  a640  aScience  alooks  aahead