00356nam a22001217a 450000500170000000800410001704000130005808200210007110000130009224500750010526000430018030000110022320150220150939.0150220b        xxu||||| |||| 00| 0 eng d  cPK-LaUMT  aKHC 146.3bROY-M  aRoy, M.N  aMaterialismban outline of the history of scientific thoughtcM.N. Roy  aBombaybRenaissance Publication c1940  a276 p.