Kortesharju J., Rantala E.-M. (1980) The effect of placement fertilization on cloudbe.. Suo - Mires and peat vol. 31 no. 4 artikkeli 9513 (poista) | Muokkaa kommenttia

Lähde E., (1965) Observation on transplanting pine in a Polytrich.. Suo - Mires and peat vol. 16 no. 2 artikkeli 9326 (poista) | Muokkaa kommenttia

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Niskanen M., (1980) Suo - Mires and peat vol. 31 no. 2-3 artikkeli 9507

Niskanen M., (1977) New techniques in the cleaning of ditches in for.. Suo - Mires and peat vol. 28 no. 4-5 artikkeli 9470

Niskanen M., (1975) tTo types of contract work in forest drainage Suo - Mires and peat vol. 26 no. 3-4 artikkeli 9440

Niskanen M., (1971) Forest draining in the nordic countries Suo - Mires and peat vol. 22 no. 2 artikkeli 9384

Niskanen M., (1966) Suo - Mires and peat vol. 17 no. 1 artikkeli 9332

Niskanen M., (1964) Year-round forest drainage with grinding ditchers Suo - Mires and peat vol. 15 no. 5 artikkeli 9320