000 00247nam a2200121Ia 4500
080 _aP617.705/I.O
526 _dNTB
526 _aUG
942 _cBK
245 _aIndian Optician Vol. 44 (252 – 253) May – Aug
260 _c2012
546 _aE
999 _c73776
_d73776