A. G. Fraser. Formal Methods Applied to Software Production. In Richard J. Linn Jr., M. Ümit Uyar, editors, Protocol Specification, Testing and Verification XII, Proceedings of the IFIP TC6/WG6.1 Twelth International Symposium on Protocol Specification, Testing and Verification, Lake Buena Vista, Florida, USA, 22-25 June 1992. Volume C-8 of IFIP Transactions, pages 3-9, North-Holland, 1992.