Fridman,A.L. et al.
Zhurnal Organicheskoi Khimii, 1972 , vol. 8, # 12 p. 2457 - 2462,2505 - 2509

Hoz, Shmaryahu; Speizman, Dov; Feit, Ben-Ami; Djamal, Geula; Melamed, Uri
Journal of Organic Chemistry, 1981 , vol. 46, # 2 p. 450 - 452

Hoz, Shmaryahu; Gross, Zeev; Speizman, Dov
Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999), 1985 , p. 1143 - 1146