00353nam a2200145Ia 4500008004100000020001400041041001200055082001600067100002000083245005400103260001700157300000800174650001200182700001300194221030s9999    xx            000 0 und d  a818722421  aEnglish  a105.23bGup  aN. Subrahmanyam 0aText book of Opticscby N. Subrahmanyam, Brij Lal  aMeerutc2001  a668  aPhysics  aBrij Lal