TY - BOOK ED - Food and Agricultural Organisation TI - Unasylva, 1947-2006 U1 - 634.92 22 PY - 2007/// CY - Rome PB - Food and Agriculture Organisation of the United Nations KW - Forest management N1 - Subscription is free. However, requests from institutions (e.g. libr aries, companies, organizations, universities or schools) rather than i ndividuals are preferred to make the journal accessible to more readers UR - www.fao.org/forestry/unasylva ER -