Gravitational Tractor for Towing Asteroids published in Nature, Nov. 2005 Katie Young (and deleted user accounts) ad03@asteroidday.org November 1, 2005 Proposed use of a Gravity Tractor for controllably towing asteroids by Ed Lu and Stan Love. Nature magazine, Vol. 438, November 10, 2005 Katie Young (and deleted user accounts) ad03@asteroidday.org
