By Altshuler Rosanne   Bull Nicholas   Diamond John   Dowd Tim   Moomau Pamela   in The American Economic Review

ISSN:0002-8282|95|2|432-436

American Economic Association‎(2005)‎

Access to resources Favorite 8.146145

By Schwarz Michael P.   Bull Nicholas J.   Cooper Steven J. B.   in Systematic Biology

ISSN:1063-5157|52|1|1-14

Oxford University Press‎(2003)‎

Access to resources Favorite 7.332444