Morrell, Jeffrey J., 1955- Philippine Wood Pole Maintenance Anual: A Guide to the Specification, Inspection, and Maintenance of Wood Poles. A collaborative research project between the Philippi- ne Forest Products Research and Development Institute and Oregon State University. Special Publication 23 / J.J. Morrell, M.Y. Giron. -- 1.vyd. -- Corvallis : Oregon State University, Forest Research Laboratory, 1992. -- 29 s.: 27 obr., 2 tab.

I. Giron, M.Y.
ZV001