1. Blanchet-Sadri, F.: Primitive partial words. Discrete Applied Mathematics 148, 195–213 (2005)
2. Blanchet-Sadri, F.: Algorithmic Combinatorics on Partial Words. Chapman & Hall/CRC Press, Boca Raton (2008)
3. Blanchet-Sadri, F., Nikkel, J.: Computing primitively-rooted squares and runs in partial words (2012) (preprint)
4. Brown, J.I., Hoshino, R.: On circulants uniquely characterized by their independence polynomials. Ars Combinatoria 104, 363–374 (2012)
5. Dömösi, P., Horváth, S., Ito, M.: Context-Free Languages and Primitive Words. World Scientific (2011) (to appear)