Enlace original:
https://bibliotecadigital.infor.cl/handle/20.500.12220/7623
Ffolliott, Peter F.
,
Gottfried, G.J.
,
[Natural tree regeneration after clearcutting in Arizona's ponderosa pine forests: two long-term case studies]
,
Natural tree regeneration after clearcutting in Arizona's ponderosa pine forests: two long-term case studies