Heckmann, Richard Anderson2015-05-122015-05-121969https://scholarworks.montana.edu/handle/1/4319enTroutFishesParasitesComparative morphology and host-parasite studies of Trichophyra clarki (N.Sp.) on cutthroat trout (Salmo clarki)DissertationCopyright 1969 by Richard Anderson Heckmann