1=31,Suppl.7; 2=31,Suppl.10; 3=32,Suppl.2; 4=32,Suppl.4; 5=32,Suppl.7; 6=32,Suppl.9; 7=33,Suppl.2; 8=33,Suppl.8; 9=33,Suppl.11; 10=33,Suppl.12; 11=34,Suppl.3; 12=34,Suppl.7; 13=34,Suppl.11; 14=34,Suppl.17; 15=35,Suppl.2; 16=35,Suppl.3; 17=35,Suppl.6; 18=35,Suppl.8; 19=36,Suppl.2; 20=36,Suppl.4; 21=36,Suppl.6; 22=36,Suppl.8; 23=37,Suppl.3; 24=37,Suppl.5 von: Timber bulletin for Europe
1985[,1]=38,2; 1985[,2]=38,4; 1985[,3]=38,8; 1986,[1]=39,2; 1986[,2]=39,4; 1986[,3]=39,8; 1987[,1]=40,2; 1987[,2]=40,4; 1987[,3]=40,8; 1988[,1]=41,3; 1988[,2]=41,7; 1989[,1]=42,3; 1989[,2]=42,7; 1990[,1]=43,3; 1990[,2]=43,7; 1991[,1]=44,3; 1991[,2]=44,7; 1992=45,1; 1993=46,1 von: Timber bulletin (ISSN: 0040-7747)