Griffiths, Tony, McKirdy, Jo, Forrester, Grant, Paton, Norman W, Kennedy, Jessie, Barclay, Peter, Cooper, Richard, Goble, Carole and Gray, Philip (1998) Exploiting model based techniques for user interfaces to databases. In: Visual Database Systems 4 (VDB4): Fourth Working Conference on Visual Database Systems. IFIP Conference Proceedings (126). Chapman and Hall, L'Aquilla, Italy, pp. 21-46. ISBN 0-412-84400-1