TY - BOOK AU - Harrison,M.D. AU - Thimbleby,Harold TI - Formal methods in human-computer interaction T2 - Cambridge series on human-computer interaction SN - 9780521448673 PY - 1990/// CY - Cambridge PB - Cambridge University Press KW - Human-computer interaction KW - Formal methods (Computer science) N1 - Includes bibliographical references (p. [297]-316) and index ER -