Shared-memory communication approaches for an MPI message-passing library. - Boris V. Protopopov; Anthony Skjellum (Concurr. Pract. Exp., 2000)

A Multithreaded Message Passing Interface (MPI) Architecture: Performance and Program Issues. - Boris V. Protopopov; Anthony Skjellum (J. Parallel Distributed Comput., 2001)