00363nam a2200145Ia 4500008004100000020002200041041000800063082001000071100002000081245004200101260003400143653001200177653001700189653001100206160808s1997    xx            000 0 eng d  a0099237628cRs 66  aeng  a509.2  aStrathren, Paul  aNewton & gravity /cby Paul Strathren  aLondon :bArrow Books,c1997.  aGravity  aIsaac Newton  aScienc