Chiang, C.-W.; Lee, Y.-C.; Lee, C.-N.; Chou, T.-Y.: 'Ant colony optimisation for task matching and scheduling', IEE Proceedings - Computers and Digital Techniques, 2006, 153, (6), p. 373-380, DOI: 10.1049/ip-cdt:20050196
IET Digital Library, https://digital-library.theiet.org/;jsessionid=10jmkaex8qtff.x-iet-live-01content/journals/10.1049/ip-cdt_20050196