Cusmano Atti X. Congr. int. Chim. Rom, 1938 , p. B. 3, S. 110, 115 Full Text Show Details Cusmano Gazzetta Chimica Italiana, 1948 , vol. 78, p. 622,628 Atti X. Congr. int. Chim. Rom, 1938 , p. Bd. 3, S. 110, 118