000			00355nam a2200157Ia 4500
008			190829s9999 xx 000 0 und d
020			_a8122404014
082			_a621.366 _bRAJ/L
100			_aRaj Kamal :Editor
100			_aSAWHNEY R.L.
100			_aMAHESHWARI, K.P.
245		0	_aLASER OPTICS
250			_a1st Ed.
262			_c1992
942			_cBK
999			_c11689 _d11689