1. Conversion of cellulose into lactic acid by heating under pressure with aqueous alkalis;Fischer;Ges. Abhand. Kennt. Kohle,1921
2. Production of organic acids and salts thereof from cellulosic materials;Chesley,1956
3. Unbranched α-hydroxy- and α,α'-dihydroxydicarboxylic acids;Ringel,1958
4. Cellulose fiber industry and water;Voss;Abhandl. Deut. Akad. Wiss. Berlin, Kl. Chem. Geol. Biol.,1965
5. Utilization of wood as a raw material for the chemical industry;Voss;Wiss. Z. Techn. Univers. Dresden,1968