153939document54791Physical Forces between Humans and How Humans Attract and Repel Each Other Based on Their Social Interactions in an Online World.PDFapplication/pdf2aca9ff7038c9c84bb7c8ab5fa07fc6aMD55149912016-05-09 14:02:17https://pure.iiasa.ac.at/id/eprint/11377/1/Physical%20Forces%20between%20Humans%20and%20How%20Humans%20Attract%20and%20Repel%20Each%20Other%20Based%20on%20Their%20Social%20Interactions%20in%20an%20Online%20World.PDF