https://asistdl.onlinelibrary.wiley.com/doi/10.1002/asi.24886
https://www.morganclaypool.com/doi/10.2200/S01043ED1V01Y202008ICR071
https://linkinghub.elsevier.com/retrieve/pii/S1877050920321463
https://linkinghub.elsevier.com/retrieve/pii/S1319157817302380
http://www.scirp.org/journal/doi.aspx?DOI=10.4236/jis.2017.81005
http://www.matec-conferences.org/10.1051/matecconf/201713500069
http://www.morganclaypool.com/doi/10.2200/S00718ED1V01Y201605ICR049
https://www.cambridge.org/core/product/identifier/S0269888915000120/type/journal_article
http://ieeexplore.ieee.org/lpdocs/epic03/wrapper.htm?arnumber=6914183