European Journal of Biochemistry. Feb2000 Part 2, Vol. 267 Issue 4, p1196. 10p. 16 Color Photographs, 3 Black and White Photographs, 1 Chart, 4 Graphs.
Hansen, O K, Nielsen, U B & Jensen, M 2012, Nordmannsgran frøplantager og generationsskifte i forædlingsprogrammet (NOPLAGEN) : Slutrapport over PAF projektet NOPLAGEN .