1. Japan Japan;Matsuzaki;Chem Soc Chem Sect Bull Chem Soc,1951
2. Oslo No tile Inst i Svensk Papperstidn ibid;Abadie;Papirindustr Forskn Inst Eng Chem,1953
3. Cellulose and Cellulose Derivatives Ott Editor New York Interscience Publisher s Inc;Spurlin;Trans Electrochem Soc,1943
4. Australian Kolloid ibid ibid;Emery;Appl Sei,1951
5. and Te v es Makromol;Haas;Chem,1951