000 00331nam a2200145Ia 4500
008 210804s1985||||xx |||||||||||||| ||und||
041 _aeng
082 _a617.5
_bAGA/PR
100 _aAgarwal Lalit P
245 0 _aPrinciples of optics and refractions
250 _a1
260 _aDelhi
_bCbs
_c1985
300 _a274
942 _cBK
999 _c2109
_d2109