000			00342nam a2200145Ia 4500
008			160910s9999 xx 000 0 und d
040			_cSGVU Library
041			_cEnglish.
100			_aAgarwal, B.S.
245			_aOptics. _cBy B.S. Agarwal
260			_bKedar nath ram nath .
520			_aEngineering
650			_aPhysics
942			_cBOOKS
999			_c120 _d120