1. S. Pati (Eds.) The Chemistry of the Hydrazo, Azo and Azoxy groups. John Wiley and Sons, 1975.
2. H. Druckrey, R. Preussman, F. Matzkies and S. Ivankovic, Naturwissenschaften, 53 (1966) 557; B. Toth, Cancer Res., 23 (1972) 804.
3. R. J. Luckens, Chemistry of Antifungal Action, Springer Verlag, Berlin 1972.
4. M. El-nagdi, H. Abd Allah et al., J. Prakt. Chem., 6 (1973) 315; 5–6 (1972) 314.
5. M. Siddique, M. Shakil, S. Stevens and F. G. Malcom, J. Chem. Soc., Perkin Trans., 1 (1974) 21.