TY - GEN ED - I.U.F.R.O. Symposium on Forest Site and Continuous Productivity TI - I.U.F.R.O. symposium of forest site and continuous productivity U1 - 634.927 PY - 1983/// CY - Oregon PB - U.S. Dept. of Agriculture KW - Forest and forestry KW - Plantation KW - Forest products KW - Tropical forests KW - Forest ER -