Purday, Herbert Frank Percy. Linear equations in applied mechanics / by H. F. P. Purday. - Edinburgh : New York : Oliver and Boyd ; Interscience Publishers, 1954. - xiv, 240 p. : ill. ; 22 cm. Includes bibliographical references. Subjects--Topical Terms: Mechanics.Equations. Dewey Class. No.: 531 / PUL 1954