@article{SF_1972__4_133892,
     author = {G.R. Baird},
     title = {On semigroups and uniform partial bands.},
     journal = {Semigroup forum},
     pages = {185--188},
     year = {1972},
     volume = {4},
     zbl = {0268.20045},
     url = {http://geodesic.mathdoc.fr/item/SF_1972__4_133892/}
}