1. Torsell, K., Nitrile Oxides, Nitrones and Nitronates in Organic Synthesis, New York, 1988.
2. Feuer, H., The Chemistry of Nitro and Nitroso Groups, Part I, New York, 1981.
3. Padwa, A. and Pearson, W.H., Synthetic Applications of 1,3-Dipolar Cycloaddition Chemistry Toward Heterocycles and Natural Products, New Jersey, 2002.
4. Shvekhgeimer, G.A., Zvolinskii, V.I., and Kobrakov, K.I., Khim. Geterotsikl. Soed., 1986, no. 4, p.435.
5. Tartakovskii, V.A., Chlenov, I.E., Smagin, S.S., and Novikov, S.S., Izv. Akad. Nauk SSSR, Ser. Khim., 1964, no. 9, p.583.