Raw materials for more paper : pulping processes and procedures recommended for testing. - Rome : Food and Agriculture Organization of the United Nations, 1953. - xii, 171 p. : ill. ; 23 cm. - FAO forestry and forest products study ; 6 . 337 337 Subjects--Topical Terms: Pulping.Fibers.Paper making. Dewey Class. No.: 676.2 / F739r