TY  - RPRT
TI  - Are there threshold numbers for protected forests?
AU  - Winfried Bücking
PY  - 2003
DO  - 10.1016/s0301-4797(02)00186-x
UR  - https://pubmed.ncbi.nlm.nih.gov/12659802/
ID  - 12659802
ER  -