Authors
A. Kawaoka
Forestry Science Research Laboratory, Nippon Paper Industries Co.Ltd., 5-21-1 Oji, Kita-ku,, Tokyo, Japan
K. Nanto
Forestry Science Research Laboratory, Nippon Paper Industries Co.Ltd., 5-21-1 Oji, Kita-ku,, Tokyo, Japan
K. Ishii
Forestry and Forest Products Research Institute, Matsunosato,, Tsukuba, Japan
H. Ebinuma
Forestry Science Research Laboratory, Nippon Paper Industries Co.Ltd., 5-21-1 Oji, Kita-ku,, Tokyo, Japan