@book{303992,
	author = {Cory, Emily Faun,},
	title = {The rooftop raven project: An exploratory, qualitative study of puzzle solving ability in wild and captive ravens},
	publisher = {The University of Arizona.},
	year = {2016},
	url = {http://pqdtopen.proquest.com/doc/1797593374.html?FMT=ABS}
}