Venturi
Gazzetta Chimica Italiana, 1901 , vol. 31 I, p. 472

Paul, Manidipa; Pal, Nabanita; Ali; Bhaumik, Asim
Journal of Molecular Catalysis A: Chemical, 2010 , vol. 330, # 1-2 p. 49 - 55

Pajeau
Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, 1937 , vol. 204, p. 1347

Huston; Houk
Journal of the American Chemical Society, 1932 , vol. 54, p. 1506,1510

Timpe, Hans-Joachim; Dietrich, Reinhard; Boeckelmann, Juergen; Friedel, Ingrid; Boegel, Horst; Haucke, Guenther
Collection of Czechoslovak Chemical Communications, 1981 , vol. 46, # 1 p. 219 - 239