00291nam a2200121Ia 4500008004100000041001200041082001100053100001600064245006400080260000600144650000600150700001300156221030s9999    xx            000 0 und d  aEnglish  a105.23  aS. L. Gupta 0aPractical Physics with Viva Voicecby S. L. Gupta, V. Kumar  c0  aB  aV. Kumar