Citation: I. Nowotny et al., INFLUENCE OF SOIL ACIDIFICATION AND LIMING ON SELECTED ENZYMES OF THECARBOHYDRATE-METABOLISM AND THE CONTENTS OF 2 MAJOR ORGANIC-ACIDS OF MYCORRHIZAL ROOTS OF NORWAY SPRUCE (PICEA-ABIES [L.] KARST.), Plant and soil, 199(1), 1998, pp. 41-51