1. G. Maas , The Chemistry of Heterocyclic Compounds , ed. A. Padwa and W. Pearson , Wiley , New York , 2002 , vol. 59 , p. 539
2. J. J. Tufariello , 1,3-Dipolar Cycloaddition Chemistry , ed. A. Padwa , Wiley , New York , 1984 , vol. 2 , p. 83
3. R. C. F. Jones and J. N.Martin , Synthetic Applications of 1,3-Dipolar Cycloaddition Chemistry Toward Heterocycles and Natural Products , ed. A. Padwa and W. Pearson , Wiley , New York , 2002 , p. 1
4. Asymmetric 1,3-Dipolar Cycloaddition Reactions
5. J. W. Lown , 1,3-Dipolar Cycloaddition Chemistry , ed. A. Padwa , Wiley , New York , 1984 , vol. 1 , p. 2