%0 Journal Article %A W. Woolsey Johnson %T Gravitation and Absolute Units of Force. %J Bulletin of the New York Mathematical Society %D 1893 %P 197-199 %V 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/BNYMS_1893__3_186543/ %F BNYMS_1893__3_186543