{"source":"book","style":"apa","contributors": [{"function":"author","last":"Sibley","first":"Charles","middle":"G"},{"function":"author","last":"Monroe","first":"Burt","middle":"L"} ],"pubtype": {"main": "pubnonperiodical"},"pubnonperiodical": {"title":"Distribution and taxonomy of birds of the world","publisher":"Yale Univ. Press","city":"New Haven u.a.","year":"1990"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"231246865","isbn":"0300049692 9780300049695"}