Ab initio Study on the Relative Stability of C4Sm-4
Zhou Li-Xin, Huang Zun-Xing, Tian An-Min, Wu Li-Ming, Hu Jian-Ming, Li Jun-Jian
Acta Phys. -Chim. Sin. . 1998, (08): 752 -756 .  DOI: 10.3866/PKU.WHXB19980816