Polle, A.A.PolleMößnang, M.M.MößnangSchönborn, A. vonA. vonSchönbornSladkovic, R.R.SladkovicRennenberg, H.H.Rennenberg2022-03-032022-03-031992https://publica.fraunhofer.de/handle/publica/18132510.1111/j.1469-8137.1992.tb01096.xen580Field studies on Norway spruce trees at high altitudes. Mineral pigment and soluble protein contents of needles as affected by climate and pollutionjournal article