@article {Cerdeira2007,
	title = {Designing spatially-explicit reserve networks in the presence of mandatory sites},
	journal = {Biological Conservation},
	volume = {137},
	number = {2},
	year = {2007},
	note = {n/a},
	pages = {254-262},
	abstract = {n/a},
	author = {Alagador, D. and Cerdeira, J.O.}
}
