Analysis of information sources in references of the Wikipedia article "Three-twist knot" in English language version.
(b) the knot with three half-twists, called the 52 knot.
(b) the knot with three half-twists, called the 52 knot.
(b) the knot with three half-twists, called the 52 knot.
(b) the knot with three half-twists, called the 52 knot.