Balaban
Journal of the Chemical Society, 1930 , p. 2346,2353
Full Text Show Details
Huisgen
Justus Liebigs Annalen der Chemie, 1948 , vol. 559, p. 101,142

Hayes, Roy; Schofield, Joseph M.; Smalley, Robert K.; Scopes, David I. C.
Tetrahedron, 1990 , vol. 46, # 6 p. 2089 - 2096

Heiskell, Melody R.; Rudd, Martin D.; Penn, Benjamin B.; Kautz, Jason A.
Synthetic Communications, 2005 , vol. 35, # 15 p. 2067 - 2077