Inverse scattering and inverse boundary value problems for the linear Boltzmann equation (with M. Choulli), Comm. P.D.E. 21(5&6)(1996), 763–785.

An inverse boundary value problem for the stationary transport equation (with M. Choulli), Osaka J. Math. 36(1)(1999), 87–104.

Stability estimates for the X-ray transform of tensor fields and boundary rigidityy (with Gunther Uhlmann), Duke Math. J. 123(2004), 445–467.

Stable determination of generic simple metrics from the hyperbolic Dirichlet-to-Neumann mappp (with Gunther Uhlmann), IMRN 17(2005), 1047–1061.

Boundary rigidity and stability for generic simple metrics (with Gunther Uhlmann), Journal Amer. Math. Soc. 18(2005), 975–1003.

Integral geometry of tensor fields on a class of non-simple Riemannian manifolds (with Gunther Uhlmann), to appear in Amer. J. Math.

Local lens rigidity with incomplete data for a class of non-simple Riemannian manifolds, (with Gunther Uhlmann), submitted.

Lecture Notes, Symposium on Inverse Problems, Rio de Janeiro, Jan., 2007.

The X-Ray transform for a generic family of curves and weights, with Bela Frigyik and Gunther Uhlmann, submitted.