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1LiburuaArgitaratua 1990“...Timber Research and Development Association...”
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2
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3Liburuanork Jay, B. Alwyn (Bernard Alwyn)“...Timber Research and Development Association...”
Argitaratua 1968
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4LiburuaArgitaratua 1984“...Timber Research and Development Association. Timber in Temporary Works...”
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5Conference Proceeding LiburuaArgitaratua 1991“...Timber Research and Development Association...”