Physical Properties of Lunar Samples Baldridge, S. ; Chung, D. H. ; Horai, K. ; Simmons, G. ; Todd, T. ; Wang, H. ; Weidner, D. J. ; Westphal, W. B. Abstract Publication: Lunar and Planetary Science Conference Pub Date: January 1971 Bibcode: 1971LPI.....2...29B