@INPROCEEDINGS{GrayHamiltonSinclairGibsonPower99, author = {Gray, David and Hamilton, Geoff and Sinclair, David and Gibson , {J. Paul} and Power, {James F.}}, title = {Four Logics and a Protocol}, booktitle = {3rd Irish Workshop on Formal Methods ({IWFM 1999})}, year = {1999}, editor = {Andrew Butterfield and Klemens Haegele}, series = {Electronic Workshops in Computing}, address = {Galway, Ireland}, publisher = {BCS}, bibsource = {DBLP, http://dblp.uni-trier.de} }