by Jeong, J.S, Kim, S.I, Hong, H.P, Won, J.S. (Forestry Research Institute, Seoul (Korea Republic))
Published in The Research Reports of the Forestry Research Institute (Korea Republic) (01.11.1983)

by Kim, S.I, Jeong, J.S, Won, J.S. (Forestry Research Institute, Seoul (Korea Republic))
Published in The Research Reports of the Forestry Research Institute (Korea Republic) (01.12.1982)