@article{GDZPPN002064219, title = {Many different disk knots with the same exterior.}, journal = {Commentarii mathematici Helvetici}, volume = {56}, year = {1981}, pages = {142-147}, zbl = {0465.57006}, url = {http://dml.mathdoc.fr/item/GDZPPN002064219} }
Sumners, D.W.; Hitt, L.R. Many different disk knots with the same exterior.. Commentarii mathematici Helvetici, Tome 56 (1981) pp. 142-147. http://gdmltest.u-ga.fr/item/GDZPPN002064219/