por Baranenkov, G [colaborador] | Demidovich, B. P. (Boris Pavlovich) [editor] | Yankovsky, George [traductor].
por Demidovich, B. P. (Boris Pavlovich) [colaborador] | Baranenkov, G.
por Demidovich, B. P. (Boris Pavlovich) [colaborador] | Baranenkov, G [colaborador].