000 00285nam a2200121Ia 4500
008 151205s9999||||xx |||||||||||||| ||und||
020 _c0
100 _aACHARYA,D.P.
245 _aGEOMETRICAL OPTICS FOR ADVANCED STUDENTS
260 _c1970
_bOXFORD
650 _aOPTICS
942 _cBK
999 _c202655
_d202655