X-ray crystal structure and spectral analyses of nonlinear optical l-lysinium trichloroacetate single crystals. - Raghavalu, Thenneti; Mathivanan, V.; Raj, S. Gokul; Kumar, G. Ramesh; Mohan, R.; Kumar, K. Suriya; Kovendhan, M.; Varghese, Babu (Main Group Chemistry, 2007)