Korolev, L. N., "Some Methods of Automatic Coding for BESM and STRELA Computers" pp. 489-507.

Carr, John W. III, ed., (1958) Carr, John W. III, ed., "Computer Programming and Artificial Intelligence" College of Engineering, University of Michigan, Ann Arbor, Michigan, 1958  

Languages mentioned PP-2 {1955} Russian automatic programming system