Hui Peng Yuan Li Lin Wang Lincheng Shen Hormone-Inspired Cooperative Control for Multiple UAVs Wide Area Search. 808-816 2008 ICIC (1) http://dx.doi.org/10.1007/978-3-540-87442-3_99 conf/icic/2008-1 db/conf/icic/icic2008-1.html#PengLWS08