TY - JOUR AU - James Faller AU - I. Winer AU - W. Carrion AU - T. Johnson AU - P. Spadin AU - L. Robinson AU - E. Wampler AU - D. Wieber BT - Science DA - Mar-10-1969 DO - 10.1126/science.166.3901.99 PY - 1969 SP - 99 EP - 102 T2 - Science TI - Laser Beam Directed at the Lunar Retro-Reflector Array: Observations of the First Returns VL - 166 SN - 0036-8075 ER -