द्वारा Maxwell, Douglas, Rojas, María del Rosario, Gilbertson, Robert L., Cansino, M., Abouzid, A.M., Morales, Francisco J., Purcifull, D.E., Hiebert, E., Loniello, Amy, Martínez, Teresa, Brown, Judith, Hanson. Stephen F., Hoogstraten, Rebecca A., Ahlquist, Paul, Beaver, James S., Azzam, Ossmat, Karkashin, James, Anderson, Pamela, Beebe, Stephen, Singh, Shree P., Blair, M.W., Rosas, Juan Carlos, Thung, Michael, Anesio, Bianchini, Russell, R.L., Saladin, Freddy, Méndez Bautista, Rosa María, Nin, Julio Cesar, Angeles, Rosendo, Miguel, Herrera, Martinez, Teresa

संस्थान: Universidad de Costa Rica

Repositorio: Kérwá