00277nam a2200109Ia 4500008004100000041000800041082000800049100001600057245004400073260004200117300000800159211209s1974    xx            000 0 und d  aeng  aBEN  aBENNETH C E  aPHYSICS PROBLEMS AND HOW TO SOLVE THEM   bBARNES AND NOBLE COLLEGE SERIESc1974  a285