Cummings, L. J. Connected components of comma-free codes. (English) Zbl 1002.94016 Congr. Numerantium 151, 179-187 (2001). MSC: 94A45 05C90 05C40 PDFBibTeX XMLCite \textit{L. J. Cummings}, Congr. Numerantium 151, 179--187 (2001; Zbl 1002.94016)
Cummings, L. J. Comma-free codes in the de Bruijn graph. (English) Zbl 0551.94013 Caribb. J. Math. 2, 65-68 (1983). MSC: 94A45 PDFBibTeX XMLCite \textit{L. J. Cummings}, Caribb. J. Math. 2, 65--68 (1983; Zbl 0551.94013)