Valonia ventricosa (Bulgarian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Valonia ventricosa" in Bulgarian language version.

refsWebsite

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1books.google.com

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allatsea.net

Bauer, Becky. Gazing Balls in the Sea // All at Sea, October 2008. Посетен на 26 September 2013.

books.google.com

Tunnell, John Wesley, Chávez, Ernesto A., Withers, Kim. Coral reefs of the southern Gulf of Mexico. Texas A&M University Press, 2007. ISBN 978-1-58544-617-9. с. 91.