biblio toscana

Forest codes of practice

contributing to environmentally sound forest operations : proceedings of an FAO/IUFRO Meeting of Experts on Forest Practices, Feldafing, Germany, 11-14 December 1994

Global natural resource monitoring and assessments--preparing for the 21st century

proceedings of the international conference and workshop, September 24-30, 1989, Fondazione G. Cini, Isle of San Giorgio Maggiore, Venice, Italy