00395nam a2200145Ia 4500008004100000020001500041041001200056082001600068100002700084245007000111260003500181300000800216650001200224700001300236221030s9999    xx            000 0 und d  a8121904676  aEnglish  a105.23bSub  aN. Subrahmanyam ( PR ) 2aA Text Book of Optics ( PR )cby N. Subrahmanyam ( PR ), Brij Lal  bS.Chand & Co.aNew Delhic2002  a718  aPhysics  aBrij Lal