00384nam a2200133Ia 4500003000900000008004100009040001600050080001600066100001800082245007200100260004800172300001400220650001600234IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a531.51bRAM  aRamsey, A. S. 3aAn introduction to the theory of newtonian attractioncA. S. Ramsey  aCambridgebCambridge University Pressc1949  aix, 184p.  aGravitation