Shekhar V. Gosavi, Sanjoy Das, Shilpa A. Vaze, Gurdip Singh, Erik C. Buehler. Obtaining subtrees from graphs: an ant colony approach. In 2003 IEEE Swarm Intelligence Symposium, SIS 2003, Indianapolis, IN, USA, April 24-26, 2003. pages 160-166, IEEE, 2003. [doi]
Abstract is missing.