POLYMETHYLMETHACRYLATE IN MIXED SOLVENTS Ⅰ.OSMOMETRIC AND VISCOMETRIC STUDIES IN TOLUENE-ETHANOL
CHIEN JEN-YUAN, CHING WEN, HO PAO-TSIN, CHENO YUNG-SHIH
Acta Chimica Sinica . 1958, (3): 223 -227 .