APA

Sjöholm R., . (1977). Acetone-water extractives from the stump and root softwood and the influence of the removal of these through pre-extraction on the pulping. Åbo: Åbo akademi.

Chicago

Sjöholm Risto, . 1977. Acetone-water extractives from the stump and root softwood and the influence of the removal of these through pre-extraction on the pulping. Åbo: Åbo akademi.

Harvard

Sjöholm R., . (1977). Acetone-water extractives from the stump and root softwood and the influence of the removal of these through pre-extraction on the pulping. Åbo: Åbo akademi.

MLA

Sjöholm Risto, . Acetone-water extractives from the stump and root softwood and the influence of the removal of these through pre-extraction on the pulping. Åbo: Åbo akademi. 1977.