Zehetmayr, J. (1954). Experiments in tree planting on peat. Her Majestys Stationery Office.
Lua i Stíl Chicago (17ú heag.)Zehetmayr, J.W.L. Experiments in Tree Planting on Peat. London: Her Majestys Stationery Office, 1954.
Lua MLA (9ú heag.)Zehetmayr, J.W.L. Experiments in Tree Planting on Peat. Her Majestys Stationery Office, 1954.
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