Barney Pell Edward B. Gamble Erann Gat Ron Keesing James Kurien William Millar P. Pandurang Nayak Christian Plaunt Brian C. Williams A Hybrid Procedural/Deductive Executive for Autonomous Spacecraft. 369-376 1998 Agents http://doi.acm.org/10.1145/280765.280863 db/conf/agents/agents98.html#PellGGKKMNPW98