Enlace original:
http://repositorio.uchile.cl/handle/2250/120885
Borie B., Gilda
,
Peirano V., Pedro
,
Zunino Venegas, Hugo
,
Aguilera S., S. María
,
[N-pool in volcanic ash-derived soils in Chile and its changes in deforested sites (vol 34, pg 1201, 2002)]