{"source":"journal","style":"apa","journal": {"title":"Population Parameters and Colony Composition of Beaver (Castor canadensis) in Southeast Ohio" },"contributors": [{"function":"author","last":"Svendsen","first":"Gerald","middle":"E"} ],"pubtype": {"main": "pubjournal"},"pubjournal": {"title":"American Midland Naturalist","volume":"104","issue":"1","start":"47","end":"56","year":"1980"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"477437274","issn":"0003-0031"}