E. Alfredo Campo,
Edgar Dietrich, Alfred Schulze,
Alberto Naranjo C., Maria del Pilar Noriega E., Juan Diego Sierra M., Juan Rodrigo Sanz,
Edited by: Tim A. Osswald,
Maria del Pilar Noriega E., Chris Rauwendaal,
E. Bud Guitrau,
Susan E.M. Selke, John D. Culter, Rafael A. Auras, Muhammad Rabnawaz,
Farid Chejne Janna, Manuel Garcia-Perez, Maria del Pilar Noriega E.,
Herbert Rees,
Edited by: E.H. Immergut,
Edited by: Charles E. Wilkes, James W. Summers, Charles A. Daniels,