@article{10_2307_121026,
     author = {Dorothee Schueth},
     title = {Continuous families of isospectral metrics on simply connected manifolds},
     journal = {Annals of mathematics},
     year = {1999},
     volume = {149},
     number = {1},
     doi = {10.2307/121026},
     zbl = {0964.53027},
     url = {http://geodesic.mathdoc.fr/articles/10.2307/121026/}
}