1. E. Andjel, Unpublished.
2. V. Belitsky, An estimate on decay of density for two-particle annihilating exclusion, Preprint.
3. V. Belitsky, Asymptotic lower bound of density for two-particle annihilating exclusion, In preparation.
4. M. Bramson and J. L. Lebowitz, Asymptotic behavior of densities for two-particle annihilating random walks,J. Stat. Phys. 62(1/2):297?372 (1991).
5. P. Ferrari, A. Galves, and E. Presutti, Closeness between a simple exclusion process and a system of independent random walks. Applications, Publicazioni dell'Instituto di Matematica, Universita Degli Studi dell'Aquila (December 1981).