Ruddick, John N.R. Utility pole performance: effect of service life on surface hardness and preservative retention of CCA- treated pine poles. / John N.R. Ruddick, Barbro E. Jonsson, Anette E.M. Nilsson. -- 1.vyd.

In Forest Products Journal. -- Vol.41, No.6, (1991), s. 21-27. tab.. graf.

I. Jonsson, Barbro E.
II. Nilsson, Anette E.M.
III. Forest Products Journal. -- Vol.41, No.6, (1991), s. 21-27. tab.. graf.
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