David Geyer (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "David Geyer" in English language version.

refsWebsite

Global rank English rank

2^nd place

2^nd place

1malacological.org

low place

low place

doi.org

Wenz W. (August) 1933. David Geyer. Paläontologische Zeitschrift, 15(2-3): 196-200. doi:10.1007/BF03041650.

malacological.org

Eugene V. Coan, Alan R. Kabat & Richard E. Petit, (15 February) 2009. 2,400 years of malacology, 6th ed. 830 pp. + 32 pp. [Annex of Collations]. American Malacological Society: http://www.malacological.org/publications/2400_malacology.html