Ramsey, A.S..
Newtonian Attraction / - 1st ed / - London N.W.1 : Cambridge University Press. - p.184 :
Newton Theory
B394-7:1 / H0;1
Newtonian Attraction / - 1st ed / - London N.W.1 : Cambridge University Press. - p.184 :
Newton Theory
B394-7:1 / H0;1