Koizumi,A.;Ikeda,K.;Sawata,K.;Hirai,T. : Nondestructive measurement of cross-sectional shape of a tree trunk, J. Wood Science, 57(4),276-281 (2011)参照リンク
Koizumi, A; Motoyama, J; Sawata, K; Sasaki, Y; Hirai, T: Evaluation ofdrag coefficients of tree crowns by a field test method, J Wood Science,56(3),189-193 (2010).参照リンク
Koizumi,A.;Araki,H.;Hori,H.;Inagawa,Y.:Windthrow resistance ofapple trees grafted in an orchard,J.Wood Science,54(1),10-15(2008).参照リンク