Selected papers from International Conference on Optics and Optoelectronics '98 : Silber Jubilee Symposium of the Optical Society of India : 9-12 December 1998, Dehradun, India. pp.404-408, 1999. Bellingham, Wash., USA. SPIE - The International Society for Optical Engineering
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International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '96. pp.237-242, 1997. Bellingham, Wash.. SPIE-The International Society for Optical Engineering
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