TY - JOUR AU - J. Schwarz AU - D. Robertson AU - T. Niebauer AU - James Faller BT - Science DA - Jun-12-1999 DO - 10.1126/science.282.5397.2230 PY - 1998 SP - 2230 EP - 2234 T2 - Science TI - A Free-Fall Determination of the Newtonian Constant of Gravity VL - 282 ER -