BAR-INDUCED GAS VELOCITIES IN THE BULGE OF M31
ASTROPHYSICAL JOURNAL 426:1 (1994) L31-L33
CONSTRUCTION OF INVARIANT TORI AND INTEGRABLE HAMILTONIANS
PHYSICAL REVIEW LETTERS 73:18 (1994) 2377-2381
DYNAMICS OF GAS NEAR THE GALACTIC-CENTER
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 270:3 (1994) 703-719
EVIDENCE FOR A BAR AT THE CENTRE OF THE MILKY WAY
NUCLEI OF NORMAL GALAXIES 445 (1994) 75-86