00568nam a2200217Ia 45000010006000000050017000060070003000230080041000260200007000670400025000740410008000990820016001071000019001232450082001422500014002242600042002383000027002806530012003076530014003197000017003331949020240113235933.0ta060210s1969       a   g     b000 u 465 u  cPB  aCotton College,Assam  a465  a530bD 28 T  aDavids , R.A.. 0aA Text Book of Physics: Part II /cR.A.Davids & A. Spiers.hTextual Documents  a1st ed. /  aNew York :bMacmillan and co ,c1969.  a852p. :bill ;c21cm .  aPhysics  aG-Physics  aSpiers, A. .