Cold War Submarines: The Design and Construction of U.S. and Soviet Submarines - Norman Polmar, Kenneth J. Moore - Google Books

http://books.google.de/books?id=cP4KPxaB8DQC&pg=PA357&dq=grayback+orders+regulus#v=snippet&q=regulus&f=false

Analyzes the development of U.S. and Soviet submarines during the Cold War - Uses materials obtained from the former Soviet submarine design bureaus - Includes numerous photographs and drawings, many never before published, illustrating U.S. and Soviet…