Impact of Alkalisation of the Soil on the Anatomy of Norway Spruce (Picea abies) Needles Lukjanova, Aljona ; Mandre, Malle ; Saarman, Gerly Abstract Publication: Water Air and Soil Pollution Pub Date: July 2013 DOI: 10.1007/s11270-013-1620-3 Bibcode: 2013WASP..224.1620L