TY - BOOK AU - Harrison, Michael D., AU - Thimbledy, Harold ED - University of Cambridge TI - Formal methods in human-computer interaction T2 - Cambridge series on human-computer interaction SN - 052137202x AV - QA76.9H85 F67 PY - 1990/// CY - Cambridge PB - Cambridge University Press KW - Interacción hombre-computadora ER -