Perevod s amerikanskogo izdaniya Pod obschej redaktsiej V. A. Sokolova. This book, "Spravochnik po gazovomu delu. Tom 2", by V.A. Sokolov, is a replication of a book originally published before 1940. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.