Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Eiji Uchibe and Kenji Doya,Constrained reinforcement learning from intrinsic and extrinsic rewards,2007 IEEE 6th International Conference on Development and Learning,,IEEE,2007-07,,,163-168,https://cir.nii.ac.jp/crid/1363670318517175296,https://doi.org/10.1109/devlrn.2007.4354030