Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleMidday stomatal closure in Norway spruce--reactions in the upper and lower crown.AuthorsZweifel R; Böhm JP; Häsler RPublicationTree physiology, 2002, Vol 22, Issue 15-16, p1125ISSN0829-318xPublication typearticleDOI10.1093/treephys/22.15-16.1125