1. Development of the direct alkali recovery system potential applications;Covey;Pulp Paper Canada,1982
2. Mill-scale development of the DARS direct causticization process;Maddern;Pulp Paper Canada,1986
3. Commercial development of the DARS process;Scott-Young,1995
4. Recovery of sodium hydroxide from alkaline pulping liquors by smelt causticizing part II. Reactions between sodium carbonate titanium dioxide;Kiiskilä;Paperi ja Puu —Papper och Trä,1979
5. Recovery of kraft black liquor including direct causticization;Zou,1991