Charles Severance Joseph Hardin Glenn Golden Robert Crouchley Adrian Fish Tom Finholt Beth Kirschner Jim Eng Rob Allan Using the Sakai collaborative toolkit in e-Research applications. 1643-1652 2007 19 Concurrency and Computation: Practice and Experience 12 http://dx.doi.org/10.1002/cpe.1115 db/journals/concurrency/concurrency19.html#SeveranceHGCFFKEA07