00382nam a2200157Ia 4500008004000000041000800040082001200048100002000060245003500080260004300115300000800158650001200166650001100178650001700189700001800206210210b1942   xxu||||| |||| 00| 0 eng d  aeng  a536/114  aRICHTMYER (F K)  aIntroduction to modern physics  aLondonbMcGraw Hill Book Companyc1942  a723  aphysics  amodern  aIntroduction  aKENNARD (A H)