00376nam a2200145Ia 4500008004100000020001500041041001200056082001600068100001400084245006100098260003500159300000800194650001200202700001600214221030s9999    xx            000 0 und d  a8121915333  aEnglish  a105.23bLal  aK. C. Lal 2aA Text book of Modern Physicscby K. C. Lal, S. I. Ahmad  bS. Chand & CoaNew Delhic1997  a690  aPhysics  aS. I. Ahmad