2 treff

Ringo Winnyston N.
Basic Density and Heartwood Content in the Wood of Pinus patula from Sao Hill
by Winnyston N. Ringo and Gustav S. Klem
Bok Engelsk 1980 · Vis mer
Variation of heartwood proportion in plantation grown tectona grandis L.f.
K.F.S. Hamza and W.N. Ringo
Bok Engelsk 1991 · Vis mer