1994-95 HST and Ground-Based Observations of Mars: Short-Term Cloud Histories Martin, L. J. ; Thompson, D. T. ; Bell, J. F. ; James, P. B. ; Lee, S. W. ; Parker, D. C. Abstract Publication: AAS/Division for Planetary Sciences Meeting Abstracts #27 Pub Date: June 1995 Bibcode: 1995DPS....27.0208M