000			00384nam a22001457a 4500
082			_a535.324 _bAGA/P
100			_aAgarwal, L P
245			_aPrinciples of optics and refraction / _cL P Agarwal
250			_a3rd ed.
260			_c1985. _bC B S Publishers & distributers, _aDelhi :
300			_a274p. :
500			_aIncludes index and appendix
650			_aPhysics
942			_cBK
999			_c16681 _d16681