http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
behavior of leeches with especial reference to its modifiability
A. The general reactions of the leeches Dina microstoma Moore and Glossiphonia stagnalis Linnaeus; B. Modifiability in the behavior of the leech Dina microstoma Moore
University of California publications in zoology ; v. 11, no. 11