@article {Jimenez-ValverdeLobo2008DD,
	title = {{The Ghost of Unbalanced Species Distribution Data in Geographical Model Predictions}},
	journal = {Diversity and Distributions},
	volume = {12},
	number = {5},
	year = {2006},
	pages = {521{\textendash}524},
	author = {Jimenez-Valverde, A. and Lobo, J.~M.}
}