PÉREZ SUÁREZ, M., M. E. FENN, V. M. CETINA ALCALÁ, and A. ALDRETE. “The Effects of Canopy Cover on Throughfall and Soil Chemistry in Two Forest Sites in the México City Air Basin”. Atmósfera, vol. 21, no. 1, Oct. 2009, https://www.revistascca.unam.mx/atm/index.php/atm/article/view/8591.