000 00288nam a2200133Ia 4500
008 190131s9999 xx 000 0 und d
082 _a535
082 _bMAT
100 _aMathur B K
245 0 _aPrinciples Of Optics
260 _aKanpur
260 _bGopal Printing Press
300 _a826
999 _c421
_d421