TY - BOOK AU - Lindstrom,H. AU - Harris,P. AU - Nakada,R. TI - Methods for measuring stiffness of young trees UR - https://drive.google.com/file/d/1CH0r2spYK_1Zfxc5jZPDVqzuakfHY-rN/view?usp=drivesdk ER -