Hart, Emma and Ross, Peter (1998) A heuristic combination method for solving jop-shop scheduling problems. In: Parallel Problem Solving from Nature V. Lecture Notes in Computer Science, 1498 . Springer-Verlag, pp. 845-854. ISBN 3-540-65078-4

Ross, Peter and Hart, Emma (1998) An adaptive mutation scheme for a penalty-based graph-colouring GA. In: Parallel Problem Solving from Nature V. Lecture Notes in Computer Science, 1498 . Springer-Verlag, pp. 795-802.