Gray, Andrew . A Treatise on Gyrostatics and Rotational Motion / Textual Documents Andrew Gray. - 1st ed. / - New York : Macmillan and co , 1918. - 530p. : ill ; 23cm . Subjects--Index Terms: Rotational Motion Gyrostatics G-Mathematics G-Physics Dewey Class. No.: 523.28 / G 791 T