?url_ver=Z39.88-2004&rft_id=10.1007%2F978-3-030-00979-3%E2%82%85%E2%82%88&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Torres-Escobar%2C+R.&rft.aulast=Torres-Escobar&rft.aufirst=R.&rft.date=2019&rft.title=Advances+in+Intelligent+Systems+and+Computing&rft.atitle=Monkey+Algorithm+for+Packing+Circles+with+Binary+Variables&rft.pages=547-559&rft.volume=866&rft.issn=21945357&rft.isbn=9783030009786&rft.genre=article