@article {52568,
	title = {Variation in <i>chick-a-dee</i> calls of bridled titmice ( <i>Baeolophus wollweberi</i>): Frequent use of non-combinatorial calls in a combinatorial calling system},
	journal = {Ethology},
	volume = {123},
	year = {2017},
	month = {Jan-11-2017},
	pages = {835 - 842},
	doi = {10.1111/eth.2017.123.issue-1110.1111/eth.12657},
	url = {http://doi.wiley.com/10.1111/eth.2017.123.issue-11},
	author = {Jung, Hwayoung and Freeberg, Todd M.},
	editor = {Koenig, W.}
}
