TY - JOUR AU - Iwata, Shuichi AU - Villars, P. TI - Methodologies of Research into Artifacts ((17)^ Report) : Uncertainties in Design T2 - 設計工学・システム部門講演会講演論文集 SN - 13480286 PY - 2002 DA - 2002/11/27 VL - 2002 IS - 12 SP - 262-263 UR - http://ci.nii.ac.jp/naid/110002481278/en/ ER -