Sawmilling Technology Course, 11 June - 12 December 1981, Kotka College of Forestry and Wood Technology, International Course Centre, Kotka, Finland : report
Sawmilling Technology Course, 11 June - 12 December 1981, Kotka College of Forestry and Wood Technology, International Course Centre, Kotka, Finland : report
Sawmilling Technology Course, 11 June - 12 December 1981, Kotka College of Forestry and Wood Technology, International Course Centre, Kotka, Finland : report
Sawmilling Technology Course, 11 June - 12 December 1981, Kotka College of Forestry and Wood Technology, International Course Centre, Kotka, Finland : report