8. References

Anon. 1996. Study on European Forestry Information and Communication System. Reports on Forest Inventory and Survey Systems. 2. p. 1327, European Commission.
Gertner, G; Köhl, M. 1992. An Assessment of Some Nonsampling Errors in a National Survey Using an Error Budget. In Forest Science, 38, ( 3), 525-538.
last updated:  Monday, November 15, 2004