00338nam a2200145Ia 4500008004000000041000800040082001200048100000600060245003700066260004000103300001100143650001300154650001200167650001300179210210b1963   xxu||||| |||| 00| 0 eng d  aeng  a520/206  a-  aChanging concept of the universe  aBombaybAsia Publishing Housec1963  axi,108  auniverse  aconcept  aChanging