author = { Watkins, James E. AND Cardelús, Catherine AND Colwell, Robert K. AND Moran, Robbin C. },

title = { Species richness and distribution of ferns along an elevational gradient in Costa Rica },

publisher = {Wiley},

isbn = {0002-9122},

isbn = {1537-2197},

keywords = { Plant Science , Genetics , Ecology, Evolution, Behavior and Systematics },

year = {2006},

url = { http://slubdd.de/katalog?TN_libero_mab2 }