00528nam a2200181 a 450000500170000000800410001704100080005808200080006610000180007424500420009226400330013430000110016765000120017870000180019094200070020899900170021595201140023220260717090730.0260717s1974    ii            000 0 eng d  aeng04a5351 aMathur, B. K.10aPrinciples of optics /cMathur, B. K. 1bGopal printing press,c1974.  a802 p. 4aPhysics1 aPandya, T. P.  cBK  c16950d16950  001040708DCaBKBCLbBKBCLd1974-08-29g25.00l0o535 MATp5851r2026-07-17 09:07:30v25.00w2026-07-17yBK