00460nam a2200205Ia 4500008004000000041000800040082001100048100001900059245005300078260003700131300000700168440000600175650000900181650001500190650001000205650001300215650000900228650001100237650000600248210210b1941   xxu||||| |||| 00| 0 eng d  aeng  a534/25  aCHAMPION (F C)  aUniversity physics: wave motion and sound Part 4  aLondonbBlackie & Son Ltd.c1941  a67  a4  awave  aUniversity  asound  aphysics:  aPart  amotion  a4