Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Nuorteva, M. K. 1970. Changes in bark beetle populations in a forest area in south Finland from 1953 to 1964. Translation by Canada Department of Fisheries and Forestry OOFF-141. 61 p. [Translated from Acta Entomologica Fennica, Helsinski 24, 1968].