@article{SF_1984__28_134665,
     author = {J. Johnson and K. Moss},
     title = {Bisections and homomorphisms.},
     journal = {Semigroup forum},
     pages = {373--374},
     publisher = {mathdoc},
     volume = {28},
     year = {1984},
     zbl = {0531.06003},
     url = {http://geodesic.mathdoc.fr/item/SF_1984__28_134665/}
}