1. F.G.M. Kroese, A.S. Wubbena, P. Joling and P. Nieuwenhuis. This volume, p. 443
2. F.G.M. Kroese, D. Opstelten, A.S. Wubbena, G.J. Deenen, J. Aten, E.H. Schwander, L. de Leij and P. Nieuwenhuis. This volume,p# 81
3. I.C.M. MacLennan, H. Bazin, D. Chassoux, D. Gray and J.E. Lortan. This volume, p. 139
4. H. Bazin, B. Platteau, I.C.M. MacLennan, M. Khan and G.D. Johnson. This volume, p. 65
5. D.S. Kumararatne, D. Gray, I.C.M. MacLennan and J. Lortan. This volume, p. 73