{"source":"book","style":"apa","contributors": [{"function":"author","last":"Erdos","first":"Paul"},{"function":"author","last":"Spencer","first":"Joel","middle":"H ,"} ],"pubtype": {"main": "pubnonperiodical"},"pubnonperiodical": {"title":"Paul Erdos: the art of counting. Selected writings.","publisher":"MIT Press","city":"Cambridge, Mass.","year":"1973"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"591606","isbn":"0262191164 9780262191166"}