R. Peter Bonasso Hendrik James Antonisse Marc G. Slack A Reactive Robot System for Find and Fetch Tasks in an Outdoor Environment. 801-808 1992 conf/aaai/1992 AAAI db/conf/aaai/aaai92.html#BonassoAS92 http://www.aaai.org/Library/AAAI/1992/aaai92-124.php