Imlay, Ralph Willard 1908-1989
Some Jurassic ammonites from Central Saudi Arabia / by Ralph W. Imlay. -- Washington : United States Government Printing Office, 1970 - 15 p., [4] h. de lam. -- (Geological Survey Professional Paper ; 643-D).
Amonites
Arabia Saudí
Jurásico
564.53(532)"6152"
Some Jurassic ammonites from Central Saudi Arabia / by Ralph W. Imlay. -- Washington : United States Government Printing Office, 1970 - 15 p., [4] h. de lam. -- (Geological Survey Professional Paper ; 643-D).
Amonites
Arabia Saudí
Jurásico
564.53(532)"6152"