Takuo Hishi, Ryunosuke Tateno, Keitaro Fukushima, Reiji Fujimaki, Masami Itoh, Naoko Tokuchi, Torgny Näsholm. Changes in the anatomy, morphology and mycorrhizal infection of fine root systems of Cryptomeria japonica in relation to stand ageing. Tree physiology. 2017. 37. 1. 61-70