"...recently there has been a lot of activity in the area of coding for .... CDMA
... It turned out that binary comma-free codes can be used to construct these codes...[A3].
In this paper we generalize the construction of [A3] .... "
A Lundqvist. On the construction of cyclically permutable code using cyclic codes
over prime fields. (1994) J.Communications XLV p. 10