Backman, Mats Impregnation - Depolymerization - Extraction Pulping / Mats Backman, Bruno Lönnberg. -- 1.vyd.

In Paperi Ja Puu-Paper and Timber. -- Vol. 76, No.10, (1994), s. 644-648. tab.. graf.

I. Lönnberg, Bruno
II. Paperi Ja Puu-Paper and Timber. -- Vol. 76, No.10, (1994), s. 644-648. tab.. graf.
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