@conference {34,
	title = {Improved Orbital Debris Trajectory Estimation Based on Sequential TLE Processing},
	booktitle = {IAC2009},
	year = {2009},
	month = {10/2009},
	publisher = {60th International Astronautical Congress},
	organization = {60th International Astronautical Congress},
	address = {Daejeon, Korea},
	author = {Alana Muldoon and Gabriel H Elkaim and B Wheeden}
}
