@article{SF_1986__33_134803,
     author = {S.L. Wismath},
     title = {The lattice of varieties and pseudovarieties of band monoids.},
     journal = {Semigroup forum},
     pages = {187--198},
     publisher = {mathdoc},
     volume = {33},
     year = {1986},
     zbl = {0591.20060},
     url = {http://geodesic.mathdoc.fr/item/SF_1986__33_134803/}
}