CJCU
A Study of the Crystallographic Equivalence of Ether and Ketone Groups in Poly(aryl ether ketone)s
QIU Zhao-Bin, ZHOU Hong-Wei, MO Zhi-Shen, ZHANG Hong-Fang, WU Zhong-Wen
Chem. J. Chinese Universities . 2000, (8): 1328 -1330 .