Role of forestry in combating desertification : proceedings of the FAO Expert Consultation on the role of forestry in combating desertification, held in Saltillo, Mexico 24-28 June 1985
Complete Title:
Role of forestry in combating desertification : proceedings of the FAO Expert Consultation on the role of forestry in combating desertification, held in Saltillo, Mexico 24-28 June 1985