TY - JOUR AU - D. Bartlett AU - D. Van Buren BT - Physical Review Letters DA - Jan-07-1986 DO - 10.1103/PhysRevLett.57.21 PY - 1986 SP - 21 EP - 24 T2 - Physical Review Letters TI - Equivalence of active and passive gravitational mass using the moon UR - http://link.aps.org/doi/10.1103/PhysRevLett.57.21 VL - 57 SN - 0031-9007 ER -