Date of birth	1970
Identifiers	0000000484812179 (isni) http://urn.fi/URN:NBN:fi:au:finaf:000136889 (finaf)
Sources	Anttila, Perttu. Assessment of manual and automated methods for updating stand-level forest inventories based on aerial photography, 2005: t.p. (Perttu Anttila) Joensuun yliopiston väitöstiedote 19.10.2005