000 00288nam a2200109Ia 4500
008 221129s1968 xx 000 0 und d
041 _aeng
082 _a535
100 _aMathur, B. K.
_91212610
245 _aGeometrical and Physical Optics
260 _aKanpur
_bGopal Printing Press
_c1968
999 _c782897
_d782897