Large subgroups in the unit group of arithmetic orders.
(With A. Bhandari)
J. of Algebra 178 (1995), 512-529

A Tate sequence for global units.
(With A. Weiss)
Compositio Mathematica 102 (1996), 147-178

Cohomology of units and L-values at zero.
Dedicated to A. Fröhlich on his 80th birthday
(With A. Weiss)
Journal of the AMS 10 (1997), 513-552

On Chinburg's root number conjecture.
(With K.W. Gruenberg and A. Weiss)
Jber. d. Dt. Math.-Verein. 100 (1998), 36-44

A local approach to Chinburg's root number conjecture.
(With K.W. Gruenberg and A. Weiss)
Proc. LMS 79 (1999), 47-80

L-values at Zero and the Galois Structure of Global Units.
Algebra, Some Recent Advances, ed. I.B.S. Passi,
Birkhäuser: Trends in Mathematics (1999), 135-169

The Lifted Root Number Conjecture for some cyclic extensions of Q.
(With A. Weiss)
Acta Arithmetica 90 (1999), 313-340

The Lifted Root Number Conjecture and Iwasawa Theory.
(With A. Weiss)
Memoirs of the AMS 157/748 (2002), ISBN 0-8218-2928-9

Representing Ω_(l∞) for real abelian fields.
(With A. Weiss)
Journal of Algebra and its applications 2 (2003), 237-276

Toward equivariant Iwasawa Theory.
(With A. Weiss)
Manuscripta Mathematica 109 (2002), 131-146

Toward equivariant Iwasawa Theory, II.
(With A. Weiss)
Indagationes Mathematicae 15 (2004), 549-572

Trivial units in RG.
(With S.K. Sehgal)
Math. Proc. of the Royal Irish Academy 105A (2005), 25-39

Toward equivariant Iwasawa Theory, III.
(With A. Weiss)
Mathematische Annalen 336 (2006), 27-49

Toward equivariant Iwasawa Theory, IV.
Dedicated to Victor Snaith on the occasion of his 60th birthday
(With A. Weiss)
Homology, Homotopy and Applications 7 (2005), 155-171

Non-abelian pseudomeasures and congruences between abelian Iwasawa L-functions.
Dedicated to Professor J.-P. Serre on his 80th birthday
(With A. Weiss)
Pure and Applied Mathematics Quarterly 4 (2008), 1085-1106

The integral logarithm in Iwasawa theory: an exercise.
(With A. Weiss)
Journal de Théorie des Nombres de Bordeaux 22 (2010), 197-207

Congruences between abelian pseudomeasures.
Dedicated to Professor Peter Roquette on his 80th birthday
(With A. Weiss)
Math. Res. Lett. 15 (2008), 715-725

Equivariant Iwasawa theory: an example.
(With A. Weiss)
Documenta Mathematica 13 (2008), 117-129

On the `main conjecture´ of equivariant Iwasawa theory.
(With A. Weiss)
Journal of the AMS 24 (2011), 1015-1050