1. Aizenman, M., Kesten, H., Newman, C.M.: Uniqueness of the infinite cluster and continuity of connectivity functions for short and long range percolation. Commun. Math. Phys.111, 505?532 (1987)
2. Akcoglu, M.A., Krengel, U.: Ergodic theorems for superadditive processes. J. Reine Angew. Math.323, 53?67 (1981)
3. Burton, R.M., Keane, M.: Topological and metric properties of infinite clustering in stationary two-dimensional site percolation (to appear)
4. Gandolfi, A.: Uniqueness of the infinite cluster for stationary finite range Gibbs states (to appear)
5. Gandolfi, A., Grimmett, G.R., Russo, L.: On the uniqueness of the infinite open cluster in the percolation model. Commun. Math. Phys.114, 549?552 (1988)