@conference {ZimmermanC:1994a,
	title = {{GPS-Based Control for Space Vehicle Rendezvous}},
	booktitle = {Proceedings of the ASCE: Robotics for Challenging Environments},
	year = {1994},
	month = {February},
	address = {Albuquerque, NM},
	author = {Kurt R. Zimmerman and R. H. Cannon Jr.}
}
