00317nam a2200121Ia 4500008004100000041001200041082001600053100002000069245005700089260002900146300000800175650001200183221030s9999    xx            000 0 und d  aEnglish  a105.23bBal  aBalwinder Singh 0aText Book of Applied Physics - Icby Balwinder Singh  bIndian PubaNew Delhic0  a191  aPhysics