Journal of Organic Chemistry USSR (English Translation), , vol. 25, # 8.1 p. 1478 - 1484
Zhurnal Organicheskoi Khimii, , vol. 25, # 8 p. 1638 - 1645

Pharmaceutical Chemistry Journal, , vol. 24, # 2 p. 150 - 153
Khimiko-Farmatsevticheskii Zhurnal, , vol. 24, # 2 p. 143 - 145

Journal of Organic Chemistry USSR (English Translation), , vol. 28, # 1.1 p. 6 - 10
Zhurnal Organicheskoi Khimii, , vol. 28, # 1 p. 8 - 13