@article{JAC_2007__26_2_a4,
     author = {Li, Cai Heng and Lu, Zai Ping and P\'alfy, P.P.},
     title = {Further restrictions on the structure of finite {CI-groups}},
     journal = {Journal of Algebraic Combinatorics},
     pages = {161--181},
     publisher = {mathdoc},
     volume = {26},
     number = {2},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JAC_2007__26_2_a4/}
}