00353nas a2200109   4500000000100000008004100001260000900042100001600051700001300067245010600080856005700186       1997                            d  c19971 aNeil Pelkey1 aRauf Ali00aProblems with the Use of Nontimber Tropical Forest Products in Ecodevelopment: A Bioeconomic Approach  uhttp://www.des.ucdavis.edu/staff/pelkey/ econbot.htm