00558nam a2200181   450000500170000000700040001700800040002102000150002504000090004005000220004911000300007124500660010126000470016730000220021444000790023650000400031565000210035520150707112455.0000000  a9251007225  aUOEL  aSD416.3b.F6 1962  aFAO of the United Nations  aForest Influences :bAn introduction to ecological forestry /  aRome :bFAO of the United Nations,cc1962.  axv,307 p, ;bill.  aFAO Forestry SeriesnNo.9pFAO Forestry and Forest Products StudiesvNo.15  aIncludes bibliographies (p.283-307)  aForest Influence