000 00329nam a2200121Ia 4500
008 190404s1993 xx 000 0 und d
082 _a535 YAD
100 _aYadav, A
245 _aTeach Yourself Physics-Optics
260 _aPatna
_bBharathi Bhavan Publishers and Distributors
_c1993
300 _a169
650 _aPhysics-Optics
999 _c377605
_d377605