000 00334nam a2200157Ia 4500
008 190201s9999 xx 000 0 und d
082 _a535
082 _bM41P
100 _aMathur B K
245 0 _aPrinciples Of Optics
250 _aThird
260 _aKanpur
260 _bNew Gopal Printing
260 _c1984
300 _a768
999 _c20679
_d20679