Integrated planning and management of water resources : guidance material for courses for engineers, planners and decision-makers 1990
Forest resource accounting : systems for monitoring forest condition and management. Overview report of phases I and II. Consultation draft 1993
Prise en compte de la diversité biologique dans l'aménagement et la gestion forestière : instruction 1993
Resources for success : a manual for conservation organizations 1990 Norris, Ruth | Devine, Richard | Zegarra, Monique |