@article{10_1017_S2040618500034018,
     author = {Conrad, P. F. and Clifford, A. H.},
     title = {Lattice-ordered groups having at most two disjoint elements{\textdagger}},
     journal = {Glasgow mathematical journal},
     pages = {111--113},
     year = {1960},
     volume = {4},
     number = {3},
     doi = {10.1017/S2040618500034018},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S2040618500034018/}
}