Ericsson, A., Lindgren, A., & Mattsson, A. (1983). Effects of cold-storage and planting date on subsequent growth, starch and nitrogen content in Scots pine (Pinus sylvestris) and Norway spruce (Picea abies) seedlings. Swedish University of Agricultural Sciences, Faculty of Forestry.
Παραπομπή σε μορφή Chicago (17η εκδ.)Ericsson, Anders, Anders Lindgren, και Anders Mattsson. Effects of Cold-storage and Planting Date on Subsequent Growth, Starch and Nitrogen Content in Scots Pine (Pinus Sylvestris) and Norway Spruce (Picea Abies) Seedlings. Uppsala, Sweden: Swedish University of Agricultural Sciences, Faculty of Forestry, 1983.
Παραπομπή σε μορφή MLA (8th εκδ.)Ericsson, Anders, et al. Effects of Cold-storage and Planting Date on Subsequent Growth, Starch and Nitrogen Content in Scots Pine (Pinus Sylvestris) and Norway Spruce (Picea Abies) Seedlings. Swedish University of Agricultural Sciences, Faculty of Forestry, 1983.