1. Harmonic analysis techniques for boundary-value problems in non-smooth domains

2. Clifford Wavelets, Singular Integrals, and Hardy Spaces
   Lecture Notes in Mathematics, 1575, Springer-Verlag, Berlin 1994.
   
3. Layer Potentials, the Hodge Laplacian and Global Boundary Problems in Nonsmooth Riemannian Manifolds
   Mem. Amer. Math. Soc.150 (2001), no. 713.
   (with Dorina Mitrea, Michael Taylor).