Pyles, M.R.
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Modulus of elasticity and tensile strength of Douglas-fir roots. 1991. Commandeur, P.R.; Pyles, M.R. Canadian Journal of Forest Research 21: 48-52.
Modulus of elasticity and tensile strength of Douglas-fir roots. 1991. Commandeur, P.R.; Pyles, M.R. Canadian Journal of Forest Research 21: 48-52.