1. Intersection theory of manifolds with operators with applications to knot theory;Blanchfield, Richard C.;Ann. of Math. (2),1957
2. 2. C. Kearton, Presentations of n-knots, Ph. D. Thesis, University of Cambridge, 1972.
3. Piecewise linear critical levels and collapsing;Kearton, C.;Trans. Amer. Math. Soc.,1972
4. An algebraic classification of some knots of codimension two;Levine, J.;Comment. Math. Helv.,1970
5. Embedded handle theory, concordance and isotopy;Rourke, C. P.,1970