MManaging plant genetic diversityManaging plant genetic diversityde Jan EngelsMateriasCropsManagementGermplasm resourcesPlant Germplasm resourcesEdiciones (1)Managing plant genetic diversity (2002)CABI Pub. · inglésMás obras de Jan EngelsA Multilateral System for Plant Genetic ResourcesPlant genetic resources of EthiopiaPProceedings of an international workshopProceedings of an international workshop