Conformer Study on 18-Crown-6
Yang Jie, Tang Zuo-Hua, Wu De-Yin, LI Ze-Rong, Tian An-Min, Yan Guo-Sen
Acta Phys. -Chim. Sin. . 1995, (11): 1008 -1013 .  DOI: 10.3866/PKU.WHXB19951110