1. Variations of knotted graphs. The geometric technique of n-equivalence;Goussarov;Algebra i Analiz,2000
2. K. Habiro, Clasp-pass moves on knots, unpublished, 1993
3. K. Habiro, Aru musubime no kyokusyo sousa no zoku ni tuite, Master thesis in Tokyo University, 1994 (in Japanese)
4. Claspers and finite type invariants of links;Habiro;Geom. Topology,2000
5. K. Habiro, Brunnian links, claspers and Goussarov–Vassiliev finite type invariants, Preprint