200,000,000 years beneath the sea /
Briggs, Peterauthor.
Calder, Ritchie,1906-1982,former owner.StEdNL
Includes bibliographical references and index (pages 219-220).
Deep Sea Drilling Project.
Glomar Challenger (Ship)
Deep Sea Drilling Project.
Glomar Challenger (Ship)
Submarine geology.
Submarine geology.