http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
trophic cascades in shallow freshwater and brackish lakes
edited by Lech Kufel, Andrzej Prejs and Igor Rybak
Papers presented at an international conference held in Mikolajki, Poland, August 21-26, 1995