[1]
Avila, C.H., Aguirre, J.R. and Garcia, E. 1994. Fir (Abies hickelii Flous & Gaussen) forest structure variation in relation to environmental factor on the Orizaba Peak, Mexico. Forest Systems. 3, 1 (Jun. 1994), 5-17. DOI:https://doi.org/10.5424/516.