Podvodnai︠a︡ tekhnologii︠a︡ /
Erickson, John,1929-2002,former owner.StEdNL
Erickson, Ljubica,former owner.StEdNL
Korobkov, V. A.(Vi︠a︡cheslav Aleksandrovich)
Leningrad : "Sudostroenie",
1981.
Includes bibliographical references (p. 234-[238]).
John and Ljubica Erickson collection.
Underwater exploration.