Min Seok Jie Joong-Hwan Baek Yeh Sun Hong Kang Woong Lee Real Time Obstacle Avoidance for Mobile Robot Using Limit-Cycle and Vector Field Method. 866-873 2006 conf/kes/2006-1 KES (1) http://dx.doi.org/10.1007/11892960_104 db/conf/kes/kes2006-1.html#JieBHL06