@article{JRAM_1992__426_153405,
     author = {W.W. Menasco and M.B. Thistlethwaite},
     title = {Surfaces with boundary in alternating knot exteriors.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {47--66},
     publisher = {mathdoc},
     volume = {426},
     year = {1992},
     zbl = {0737.57002},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1992__426_153405/}
}