The Steinberg module and the cohomology of arithmetic groups, Journal of Algebra , vol 141, No. 2, (1991), pages 287-315.
Modular symbols and the Steinberg representation,聽 in聽 Springer Lecture Notes 1447, pages 287-302
Old forms on GL(n),聽 American Journal of Mathematics, vol 113,聽 No. 5, (1991), pages 911-930
On certain Iwahori invariants in the unramified principal series, Pacific Journal of Mathematics, vol. 153, No. 2聽 (1992), p. 313-342
p-adic Whittaker functions and vector bundles on flag manifolds,聽 Compositio Mathematica, vol 85, (1993), pages 9-36
Whittaker functions, prehomogeneous vector spaces and standard representations of p-adic groups, Crelles Journal, vol 450, (1994), p. 83-121
On the Iwahori-spherical discrete series for p-adic Chevalley groups; formal degrees and L-packets, Ann. Sci. de l'Ec. Norm. Sup., vol 27, (1994), p. 463-491
Desingularizations of some unstable orbit closures, Pacific Journal of Math.,聽 vol 167, (1995), pages 327-343
On the cohomology of compact Lie groups, L'Enseignement Math., t. 41, (1995), pages 181-200
(With and ) Processes of flats induced by higher dimensional processes III,聽 in Geometria Dedicata, vol 61, July(II) (1996), pages 257-269
Hecke algebras and harmonic analysis on p-adic groups, American Journal of Math., vol 119, no.1 Feb. (1997), pages 225-249
Exterior powers of the adjoint representation, Canadian Journal of Math., vol 49 (1), (1997), pages 133-159
Whittaker models and unipotent representations of p-adic groups, in Mathematische Annalen, vol 308, (1997), pages 587-592
Properties of discrete series unipotent L-packets, electronic proceedings of AMS conf. , Seattle, (1997)
Nonstandard intertwining operators and the structure of unramified principal series representations, Forum Math. vol 9, (1997) p. 457-516
Zero weight spaces and the Springer correspondence, Indag. Math. N.S., 9 (3), (1998) pages 431-441
(With ) Kloosterman sets in reductive groups , Jour. Number Theory, vol 73, (1998) pages 228-255
,聽 Int. Math. Research Notices,聽 no. 20, (1998) pages 1079-1101
,聽 with an appendix by .聽聽 Crelle's Journal, vol 520, (2000), pages 37-93听听听听聽聽聽 听听听听