Paper  bibtex   

@book{smithers_fragmentation_2004,
	address = {Lymm},
	series = {Landscape {Ecology} of {Trees} and {Forests}},
	title = {Fragmentation effects on the state of conservation of forest and shrub ecosystems in "{Sierra} de {Guadarrama}" future {National} {Park} ({Madrid}, {Spain})},
	isbn = {0-9547130-1-X},
	shorttitle = {Fragmentation effects on the state of conservation of forest and shrub ecosystems in "{Sierra} de {Guadarrama}" future {National} {Park} ({Madrid}, {Spain})},
	url = {://000226029800053},
	language = {English},
	publisher = {Iale (Uk), Int Assoc Landscapeecol},
	author = {Gil, T. G. and Sanudo, P. F.},
	editor = {Smithers, R.},
	year = {2004},
	keywords = {\#nosource},
}