J. Machta, Y. Choi, A. Lucke, T. Schweizer, und L. Chayes. (1995)cite arxiv:cond-mat/9507094
Comment: 13 pages RevTex and 4 Postscript figures. Submitted to Phys. Rev.
Lett. Replacement corrects problem in printing figures.
J. Machta, Y. Choi, A. Lucke, T. Schweizer, und L. Chayes. (1996)cite arxiv:cond-mat/9605103
Comment: 39 pages, revtex, 15 figures available on request from
machta@phast.umass.edu, to appear in Phys. Rev. E.