The role of forests in the Louisiana economy / Richard E. Jacob, James E. Hotvedt, Rodney L. Busby. -- Baton Rouge : Louisiana agricult. experiment stat., 1990. -- 65 s. : 40 obr., 22 tab. -- (Bulletin No. 822). lesníctvo Louisiany * ťažba dreva * drevo * spracovanie dreva