%0 Journal Article %T Aggregation of aggregating modes in MCDM: Synthesis of Type 2 and Level 2 fuzzy sets %A Sevastjanov, P. %A Figat, P. %A , %J Omega %V 35 %N 5 %P 505-523 %@ 0305-0483 %D 2007-10-01 %I Elsevier BV %~ DeepDyve