1. Sylva or a discourse on forest trees and the propagation of trees in his majesties dominions;Evelyn,1679
2. Temperate agroforestry;Gordon,1997
3. The dehesa: An agro-silvopastoral system of the Mediterranean region with special reference to the Sierra Morena area of Spain;Joffre;Agroforestry Systems,1988
4. The concept of a ‘land equivalent ratio’ and advantages in yields from intercropping;Mead;Experimental Agriculture,1980
5. Ecological energetic and economic aspects of intercropping systems;Newman,1982