@article {44839,
	title = {Protected areas and the regional planning imperative in North America : integrating nature conservative and sustainable development},
	volume = {Henderson book series 30},
	year = {2003},
	pages = {429},
	institution = {University of Calgary Press},
	author = {Nelson, J. G. and Day, J. C. and Sportza, Lucy and editors, with Vasquez, Carlos Israel and Loucky, James}
}
