Copan, Paul. Is everything really relative? / Paul Copan. - Norcross, Georgia : RZIM, c1999. - 62 p. ; 18 cm. Includes bibliographical references (p. 173-192). LCCN: 97045477 Subjects--Topical Terms: Apologetics.Relativity. LC Class. No.: BT1211 / .C67 1998 Dewey Class. No.: 239