Table 1.

Coefficients of extrapolation function 3 and 4

Tree species	Coefficients for D03 function		Coefficients for height function		DBH (cm)
	c0	c1	a	b
Spruce	1.07843	0.91204	0.27407	2.22031	69.0
Pine	0.89009	0.95747	0.29722	1.98688	59.0
Beech	0.84014	0.98970	0.29397	1.76894	86.0
Oak	0.87633	0.98279	0.31567	1.63335	94.0
Soft hardwoods	0.86720	0.96154	0.28064	2.40288	113.0