POLYMER, vol. 55, no. 3, page. 951 - 957, 2014-02-12
POLYMER, vol. 50, no. 11, page. 2411 - 2423, 2009-05-22
POLYMER, vol. 49, no. 8, page. 2170 - 2175, 2008-04-15
POLYMER-KOREA, vol. 28, no. 6, page. 509 - 518, 2004-11