00301nam a2200121Ia 4500008004100000040001600041041001200057082001300069100001700082245003900099260003000138300001100168230917s9999||||xx |||||||||||||| ||und||  e18392aMAIN  aEnglish  a530 S50P  aSquires, G L 0aPractical physics: revised edition  aLondonbMcGraw-Hillc1976  a224 p.