Burde, Gerhard, 1931- Knots / Gerhard Burde, Heiner Zieschang. - Berlin : W. de Gruyter, 1985. - x, 399 p. : ill. ; 25 cm. - De Gruyter studies in mathematics 5. . Bibliography : p. 345-378. ISBN: 0899250149 Subjects--Topical Terms: Knot theory.