@article{10_1017_S001708950000505X,
     author = {Baird, Bridget B.},
     title = {Maximal inverse subsemigroups of {S(X)}},
     journal = {Glasgow mathematical journal},
     pages = {53--64},
     year = {1983},
     volume = {24},
     number = {1},
     doi = {10.1017/S001708950000505X},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S001708950000505X/}
}