Strusevich, V. (1997) Multi-stage scheduling problems with precedence constraints. In: Mitchell, Chris, (ed.) Applications of Combinatorial Mathematics (Institute of Mathematics and Its Applications Conference Ser). Oxford University Press (Clarendon Press), Oxford, UK, pp. 215-232. ISBN 9780198511922

Everett, Martin and Borgatti, Stephen (1997) The regular coloration of graphs. In: Mitchell, Chris, (ed.) Applications of Combinatorial Mathematics. Institute of Mathematics and its Applications Conference Series (60). Clarendon Press / Oxford University Press, Oxford, UK, pp. 49-58. ISBN 978-0-19-851192-2