by Winograd, Manuel, Uribe, Francisco, Reynales, Juan C, Orozco, Jorge I, Escobar, Myriam C, Gomez, Jose A, Arias, Abelino, Moreno, Ruben D, Rincon, Guillermo, Navarro, Alberto, Guevara, Luisa F, Amariles, Cesar A, Gomez, Consuelo, De La Rosa, Patricia, Londono, Eduardo, Rendon, Olga, Vasquez, Hector, Dossman, Miguel A, Hincapie, Hugo, Momphotes, Helmer, Fabrie, Martinee, Ospina, German, Eade, Jeremy
Published in Documento de trabajo (Colombia) (1996)

by Hidalgo H, Rigoberto, Rubiano, Hember, Toro C, Orlando (eds.)
Published in Documento de trabajo (Colombia) (1992)

by Woolley, Jonathan N. (comp.)
Published in Documento de trabajo (Colombia) (1987)

by Ruiz de Londono, Norha, Sanders, John H, Pachico, Douglas H, Herrera Duran, Oscar
Published in Documento de trabajo (Colombia) (1985)