TY - RPRT TI - Testing usability with 3D paper prototypes--Case Halton system. AU - S Säde AU - M Nieminen AU - S Riihiaho PY - 1998 DO - 10.1016/s0003-6870(97)00027-6 UR - https://pubmed.ncbi.nlm.nih.gov/9769091/ ID - 9769091 ER -