נושאים: “...Marine biology Periodicals....”
Full text available from Earth, Atmospheric & Aquatic Science Database: 01/01/1988 to 03/31/1989
Full text available from Engineering Database: 01/01/1988 to 03/31/1989
Full text available from Environmental Science Database: 01/01/1988 to 03/31/1989
Full text available from Research Library: 01/01/1988 to 03/31/1989

נושאים: “...Marine biology Mexico California, Gulf of Periodicals....”
Available in Fuente Académica Plus.

נושאים: “...Marine biology Periodicals....”
Full text available from Biological Science Database: 02/25/2014 to present
Full text available from Earth, Atmospheric & Aquatic Science Database: 02/25/2014 to present
Full text available from Science Database: 02/25/2014 to present