1. Chemla D S and Zyss J 1987Nonlinear optical properties of organic molecules and crystals (New York: Academic Press)
2. Colleter J C 1960Ann. Chim. (France)
5 415
3. Dgdyusha G G, Zubarovsikii V M, Moreiko O V, Prahonskaya O V, Sych E D, Tikhonov E A and Khodot G P 1978USSR Patent 568318; 1979Chem. Abstr.
90 46509j
4. Konishiroko 1976 Konishiroko Photo Industry Ltd.Ger. Offen 200968; 1977Chem. Abstr.
86 49175a
5. Konishiroko 1978 Konishiroko Photo Industry Ltd.Ger. Offen 2734335; 1978Chem. Abstr.
88 161442c