Papers presented at the ninth session of the FAO advisory committee on pulp and paper - Rome, Italy, 13-15 May 1968.

carton escandinavia exportaciones exportation exports fao forest products industry industria de la pasta y el papel industria forestal japan japon monde mundo newsprint north america oferta offre papel paper paperboard papier papier journal pasta production possibilities pulp pulp and paper industry scandinavia scandinavie sewerage supply tratamiento de aguas residuales wastewater treatment world