FAO forestry paper.

no.6 1976; no.4 1977 pt.1-2; no.5 1978; no.7 1978; no.8 1978; no.10 1978 pt.1; no.10 1978 pt.2; no.11-14 1977-79; no.15 1979; no.16 1979; no.17-18 1979-80; no.19 1980 pt.1; no.19 1980 pt.2; no.21 1980; no.2-3 1977-81; no.22-26 1980-81; no.27-30 1981-1982; no.31-33 1982; no.34-35 1982; no.36-39 1982; no.40-43 1983; no.44-48 1983-84; no.50 pt.1 1984; no.52-53 1984-85; no.14 1985 (revised ed.); no.14 1985 Rev.1; no.20 1985; no.20 1985 pt.2; no.55-58 1985; no.59-61 1985; no.62 1985; no.63-66 1985-86; no.3 1986 Rev.2; no.3 1986 cop.2; no.44 1986 pt.3; no.49 1986; no.66-67; no.67-68 1986; no.68-69; no.69 1986; no.70-71; no.72 1986; no.73 1986; no.74 1986; no.75-76 1986; no.78-79 1987; no.80-81 1987; no.82-83 1988; no.85-87 1988-89; no.88-90 1989; no.92-93 1989-90; no.96-97 1990-91; no.102-103; no.104-105 1992; no.106-107 1992-93; no.98 1993; no.101 1993; no.108 1993; no.111-115 1993; no.115; no.117 1994; no.118 1994; no.120 1994; no.123 1994; no.121-122 1994-95; no.124 1995; no.133-134 1996-97; no.135-136 1998; no.138-139 1999-2001; no.142 2003; no.143 2003; no.145 2005