@inproceedings{TAPSOFT-1993-GrafL,
	author        = "Susanne Graf and Claire Loiseaux",
	booktitle     = "{Proceedings of the Fifth International Joint Conference on Theory and Practice of Software Development}",
	doi           = "10.1007/3-540-56610-4_95",
	isbn          = "3-540-56610-4",
	pages         = "644--657",
	publisher     = "{Springer}",
	title         = "{Property Preserving Abstractions under Parallel Composition}",
	year          = 1993,
}