TY - BOOK AU - Lidwell,William AU - Buttler,Jill AU - Holdes,Kritina TI - Universal principles of design: 121 waysto enhance usability, influence perception, increase appeal, make better design decisions, and teach through design SN - 9781592535876 PY - 2010/// CY - Massachussetts PB - Rockport Publishers KW - Design dictionaries N1 - includes index ER -