{"source":"website","style":"apa","website": {"title":"Natural ventilation for livestock housing" },"contributors": [{"function":"author","last":"Jones","first":"D","middle":"D"} ],"pubtype": {"main": "pubonline"},"pubonline": {"title":"Natural ventilation for livestock housing","url":"http://www.ces.purdue.edu/extmedia/AE/AE-97.html"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"58044279"}