Paper  bibtex   

@inproceedings{barrett-ISAIRAS-1999,
	title        = {Autonomy Architectures for a Constellation of Spacecraft},
	author       = {A. Barrett},
	year         = 1999,
	month        = {June},
	booktitle    = {International Symposium on Artificial Intelligence Robotics and Automation in Space (ISAIRAS 1999)},
	address      = {Noordwijk, The Netherlands},
	url          = {https://ai.jpl.nasa.gov/public/papers/isairas99-constellation.ps},
	clearance    = {CL\#99-0948}
}