Mark Wallace Yves Caseau Eric Jacquet-Lagreze Helmut Simonis Gilles Pesant Preface: Volume 1. 85-86 1999 1 Electronic Notes in Discrete Mathematics http://dx.doi.org/10.1016/S1571-0653(05)80002-2 db/journals/endm/endm1.html#WallaceCJSP99