Por Selkirk, Henry B., Vömel, Holger, Valverde Canossa, Jéssica María, Pfister, Leonhard, Díaz Díaz, Jorge Andrés, Fernández Rojas, Walter, Amador Astúa, Jorge Alberto, Stolz, Werner, Peng, Grace S.

Recursos: Universidad de Costa Rica

Repositorio: Kérwá

Por Nardi, Bruno, Gille, John C., Barnett, John J., Randall, Cora E., Harvey, V. Lynn, Waterfall, Alison, Reburn, W. Jolyon, Leblanc, Thierry, McGee, Tom J., Twigg, Laurence W., Thompson, Anne Mee, Godin-Beekmann, Sophie, Bernath, Peter F., Bojkov, Bojan R., Boone, Chris D., Cavanaugh, Charles, Coffey, Michael T., Craft, James, Craig, Cheryl, Dean, Vincil, Eden, Thomas D., Francis, Gene, Froidevaux, Lucien, Halvorson, Chris, Hannigan, James, Hepplewhite, Christopher L., Kinnison, Douglas E., Khosravi, Rashid, Krinsky, Charlie, Lambert, Alyn, Hyunah, Lee, Joanne, Loh, Massie, Steven T., McDermid, I. Stuart, Packman, Daniel, Torpy, Brendan, Valverde-Canossa, Jessica, Walker, Kaley A., Whiteman, David N., Witte, Jacquelyn C., Young, Greg

Recursos: Universidad Nacional de Costa Rica

Repositorio: Repositorio UNA