00347nam a2200133Ia 4500008004100000020001500041041001200056100002000068245005600088260003600144300000800180650001200188700001300200221030s9999    xx            000 0 und d  a8121926119  aEnglish  aN. Subrahmanyam 2aA Text Book of Opticscby N. Subrahmanyam, Brij Lal  bS. Chand & Co.aNew Delhic2016  a729  aPhysics  aBrij Lal