No Polynomial Bound for the Period of the Parallel Chip Firing Game on Graphs.

Marcos A. Kiwi René Ndoundam Maurice Tchuente Eric Goles Ch. No Polynomial Bound for the Period of the Parallel Chip Firing Game on Graphs. 527-532 1994 136 Theor. Comput. Sci. 2 db/journals/tcs/tcs136.html#KiwiNTC94