Seasonal variation in formation, structure, and chemical properties of phloem in Picea abies as studied by novel microtechniques
Jyske, Tuula M.; Suuronen, Jussi-Petteri; Pranovich, Andrey V.; Laakso, Tapio; Watanabe, Ugai; Kuroda, Katsushi; Abe, Hisashi (Springer, 2015)