http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
occurrence of a rhythm in the geotropism of two species of plankton copepods when certain recurring external conditions are absent
[393]-400 pages : illustrations ; 27 cm.
"Contribution from the Scripps institution for biological research."
University of California publications in zoology ; v. 16, no. 21