1. K. Alexander, Approximation of subadditive functions and convergence rates in limiting-shape results, Ann. Probab., in press.
2. R. Burton and M. Keane, Density and uniqueness in percolation, Comm. Math. Phys., 121 (1989), 501–505.
3. J. T. Cox and R. Durrett, Some limit theorems for percolation processes with necessary and sufficient conditions, Ann. Probab., 9 (1981) 583–603.
4. J. M. Hammersley and D. J. A. Welsh, First-passage percolation, subadditive processes, stochastic networks and generalized renewal theory, in Bernoulli, Bayes, Laplace Anniversary Volume (J. Neyman and L. Lecam, eds.), Springer-Verlag, Berlin and New York (1965), 61–110.
5. H. Kesten, Aspects of first-pas sage percolation, in Lecture Notes in Math., 1180, Springer-Verlag, Berlin and New York (1986), 125–264.