@incollection {Norberg-1987-WFF, author= "U. M. Norberg", booktitle= "Recent advances in the study of bats", pages= "43--56", publisher= "Cambridge University Press", title= "Wing form and flight mode in bats", year= "1987", theme= "natural", project= "bat", added-by= "Daniel Acevedo", date-added= "Fri February 20 12:30:30 2004" } @incollection {Norberg-1987-WFF-url, author= "U. M. Norberg", booktitle= "Recent advances in the study of bats", note= " \url{http://www.cs.brown.edu/research/vis/results/bibtex/Norberg-1987-WFF.bib}{(bibtex: Norberg-1987-WFF)}", pages= "43--56", publisher= "Cambridge University Press", title= "Wing form and flight mode in bats", year= "1987", theme= "natural", project= "bat", added-by= "Daniel Acevedo", date-added= "Fri February 20 12:30:30 2004" }