@inproceedings{POPL-1978-GordonMMNW,
	author        = "Michael J. C. Gordon and Robin Milner and L. Morris and Malcolm C. Newey and Christopher P. Wadsworth",
	booktitle     = "{Conference Record of the Fifth Annual Symposium on Principles of Programming Languages}",
	doi           = "10.1145/512760.512773",
	editor        = "Alfred V. Aho and Stephen N. Zilles and Thomas G. Szymanski",
	pages         = "119--130",
	publisher     = "{ACM Press}",
	title         = "{A Metalanguage for Interactive Proof in LCF}",
	year          = 1978,
}