{"source":"book","style":"apa","contributors": [{"function":"author","last":"Knudsen","first":"George","middle":"J"},{"function":"author","last":"Wisconsin. Conservation Dept.,"} ],"pubtype": {"main": "pubnonperiodical"},"pubnonperiodical": {"title":"Relationship of beaver to forests, trout and wildlife in Wisconsin","publisher":"Wisconsin State Conservation Dept.","city":"Madison","year":"1962"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"2458346"}