Practical application of remote sensing in forestry : proceedings of a seminar on the practical application of remote sensing in forestry, Jönköping, May 1985, under the auspices of the Joint FAO/ECE Working Party on Forest Economics and Statistics and the Swedish National Board of Forestry under the Ministry of Agriculture - Sohlberg, Sune; Sokolov, Viatcheslav E. (Forestry sciences, 1986)