(N.Y)International Conference on Phonon Seattering in Condensed Matter International Conference on Phonon Seattering in Condensed Matter 14th international conderence on phenomena in ionized gases International Conference on Light Scattering in Solids (1982)International conference on pattern recognition (1984)International conference on pattern Recognition International conference on pattern Recognition 3th international conference on hot carriers insemiconductors 2007 International conference on social Engineering and Management International conference on pattern Recognition. 1