https://katalog.hfmdd.de/Record/ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMTUxNS85NzgzMTEwNTcxNDkzLTAxMQ Chapman, Kyle:
New Directions in Geometric and Applied Knot Theory: Sampling Spaces of Thick Polygons. 2017. — 238-257.