000 00258nam a2200109Ia 4500
008 160710s1962 xx 000 0 und d
100 _aKHANNA,D.P.
245 _aFUNDAMENTALS OF OPTICS
260 _aDELHI
_bASIA BOOK
_c1962
300 _a558
942 _2ddc
_cBB
999 _c72058
_d72058