https://www.jstage.jst.go.jp/article/transinf/E104.D/10/E104.D_2021EDP7011/_article
http://linkinghub.elsevier.com/retrieve/pii/S1007570410001930
https://linkinghub.elsevier.com/retrieve/pii/S0743731518307366
http://ieeexplore.ieee.org/lpdocs/epic03/wrapper.htm?arnumber=7417806
http://services.igi-global.com/resolvedoi/resolve.aspx?doi=10.4018/978-1-61692-831-5.ch011