L. Nathan Oaklander (EDT)
(2)
Emiliano (Federal University of Bahia Boccardi Brazil),L. Nathan (University of Michigan-Flint Oaklander USA),Erwin (University of Mannheim Tegtmeier Germany)
(1)
Ernani Magalhaes (EDT)/ L. Nathan Oaklander (EDT)
(1)
L. Nathan Oaklander/ Quentin Smith (EDT)
(1)
Ronald C. Hoy/ L. Nathan Oaklander
(1)