Fernández Rojas, W., Castro León, V., Wright Gilmore, J., Hidalgo León, H. G., & Sáenz, A. (1993). Changes in solar irradiance and atmospheric turbidity in Costa Rica during the total solar eclipse of July 11, 1991.

Fernández Rojas, Walter, Vilma Castro León, Jaime Wright Gilmore, Hugo G. Hidalgo León, ja Alejandro Sáenz. Changes in Solar Irradiance and Atmospheric Turbidity in Costa Rica During the Total Solar Eclipse of July 11, 1991. 1993.

Fernández Rojas, Walter, et al. Changes in Solar Irradiance and Atmospheric Turbidity in Costa Rica During the Total Solar Eclipse of July 11, 1991. 1993.