@inproceedings{YokoyamaTakeuchiShinanoetal.2020, author = {Ryohei Yokoyama and Kotaro Takeuchi and Yuji Shinano and Tetsuya Wakui}, title = {Effect of Model Reduction by Time Aggregation in Multiobjective Optimal Design of Energy Supply Systems by a Hierarchical MILP Method}, booktitle = {Conference}, pages = {627 -- 639}, year = {2020}, note = {in press} }