1. Cyclic enamines and imines;Blaha,1966
2. Imidazole and Its Derivatives Part I;Hofmann,1953
3. The Chemistry of visual photoreception;Hubbard,1965
4. Theory and Application of Ultraviolet Spectroscopy;Jaffe,1962
5. Aryl-N-Ethyleneiminocarbinols;Kostyanovskii;Bull. Acad. Sci., USSR. Div. Chem. Sci.,1963