1. Algebra;Godement,1968
2. Ribbon Concordance of Knots in the 3-sphere;Gordon;Math. Ann.,1981
3. Some Aspects of Classical Knot Theory;Gordon,1978
4. On null-equivalent Knots;Terasaka;Osaka Math. J.,1959
5. Blanchfield Duality and Simple Knots;Kearton;Trans. A.M.S.,1975