000 00396nam a2200133Ia 4500
008 160316s9999 xxu||||| |||| 00| 0 eng d
020 _a0-07-026215-2
100 _aGhatak Ajoy
245 _aOptics
260 _aNew Delhi
_bT M H
_c2009
300 _axxivi,29.12+I.5p.;23cm
650 _aoptics
999 _c90797
_d90797