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Technical Paper

1. ASTROMETRIC OBSERVATIONS OF COMETS AND ASTEROIDS AND SUBSEQUENT ORBITAL INVESTIGATIONS Semiannual Progress

McCrosky, R.E.

Pub. info.:

NASA Technical Reports. (NASA-CR-179859), pp.1-, 00. National Aeronautics and Space Administration

Technical Paper

2. ASTROMETRIC OBSERVATIONS OF COMETS AND ASTEROIDS AND SUBSEQUENT INVESTIGATIONS Semiannual Progrees Report

McCrosky, R.E.

Pub. info.:

NASA Technical Reports. (NASA-CR-180606), pp.1-16, 1987. National Aeronautics and Space Administration