000 00246nam a2200109Ia 4500
008 160710s1998 xx 000 0 und d
100 _aGULATI KHANNA
245 _aOPTICS
260 _bR. CHAND & COMPANY
_c1998
300 _a675
942 _2ddc
_cSC
999 _c76654
_d76654