DIAS-STP-01-10 Enumerating Low Rank Matroids and their Asymptotic Probability of Occurrence. W.M.B. Dukes This preprint is available for download : Portable Document Format (Size: 248K) Postscript (Size: 336K) To obtain copies of any of the preprints in the archives, please contact us and specify the preprint number(s), author(s), title(s) and number of copies wanted.