Listar por autor "Burkhardt, H.E."
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Forest measurements
Avery, T.E.; Burkhardt, H.E. (McGraw-Hill, 1994) -
Stem volume and taper functions for yellow-poplar in the Southern Appalachians
Knoebel, B.R.; Beck, D.E.; Burkhardt, H.E. ([s.n.], 1984)