[5] Lindgren L O. Wood Science and Technology, 1991, 25(6): 425.
[6] Lindgren L O. Wood Science and Technology, 1991, 25(5): 341.
[7] Espinoza G R, Hernandez R, Condal A, et al. Wood and Fiber Science, 2005, 37(4): 591.
[8] Schmoldt D L, He J, Abbott A L. Wood and Fiber Science, 2000, 32(3): 287.
[9] Longuetaud F, Leban J M, Mothe F, et al. Computers and Electronics in Agriculture, 2004, 44(2): 107.
[15] Lindgren L O. Wood Science and Technology, 1991, (25): 425.