M. Köhl

Chapter 2.5 – Performance Indicators

M. Köhl, G. Jorgensen, 2004 .

Correlated observer errors and their effects on survey estimates of needle-leaf loss

G. Gertner, M. Köhl, 1995 .

An assessment of some nonsampling errors in a national survey using an error budget

George Z. Gertner, M. Köhl, M. Köhl, 1992 .

Conversion of forests: approaches to determine the potential extension of regeneration using remote sensing and GIS.

M. Köhl, E. Hussendörfer, 2000 .