By Rødseth Øystein   Sellers James   in Journal of Quantitative Linguistics

ISSN:0929-6174|13|1|45-55

Routledge Ltd‎(2006)‎

Access to resources Favorite 19.347698

By Rødseth Øystein   Sellers James   Courtright Kevin   in Annals of Combinatorics

ISSN:0218-0006|8|3|347-353

Springer Publishing Company ‎(2004)‎

Access to resources Favorite 15.625757