10 articles in this issue
Maria Amélia S. Dickie, Joao Klug
Alejandra Siffredii, Ana Maria Spadafoire
Artur Cesar Isaia
René E. Gertz
Paul Freston
Manuela Cantón Delgado
Carlos Alberto Steil
João Klug João Klug
Maria Amélia Schmidt Dickie
Oscar Calavia Sciez