[069-50] Distribution of Hysdropsyche and Cheumatopsyche (Tricioptera: Hydropsychidae) in Relationship to the Thickness of an Algal Mat
Anderson, R.V. and W.S. Vinikour Distribution of Hysdropsyche and Cheumatopsyche (Tricioptera: Hydropsychidae) in Relationship to the Thickness of an Algal Mat 069-50-print