The length spectrum of riemannian two-step nilmanifolds

Gornet, Ruth; Mast, Maura B.

Annales scientifiques de l'École Normale Supérieure, Volume 33 (2000) p. 181-209

Isospectral deformations of closed riemannian manifolds with different scalar curvature

Gordon, Carolyn S.; Gornet, Ruth; Schueth, Dorothee; Webb, David L.; Wilson, Edward N.

Annales de l'Institut Fourier, Volume 48 (1998) p. 593-607