00361nam a2200145Ia 4500008004100000020001500041041001200056082001600068100001400084245004600098260003500144300000800179650001200187700001600199221030s9999    xx            000 0 und d  a8121915333  aEnglish  a105.23bLal  aK. C. Lal 0aModern Physicscby K. C. Lal, S. I. Ahmad  bS.Chand & Co.aNew Delhic1997  a690  aPhysics  aS. I. Ahmad