Response of newly planted Norway spruce seedlings to fertilization, irrigation and herbicide treatments Nilsson U, Orlander G. 2003. DOI: 10.1051/forest:2003056 Research article (Peer reviewed)
Natural regeneration of Norway spruce, Scots pine and birch under Norway spruce shelterwoods of varying densities on a mesic-dry site in southern Sweden Nilsson, Urban; Gemmel, Per; Johansson, Ulf et al. 2002. DOI: 10.1016/S0378-1127(01)00497-2 Research article (Peer reviewed)