TY - BOOK AU - Sage, Andrew P. TI - System design for human interaction SN - 879422181 AV - QA76.9.S88 S9524 1987 U1 - 3 19 PY - 1987/// CY - New York PB - IEEE Press KW - System design.;Human engineering N1 - Includes indexes and Bibliography: p. 474-482 ER -