Tsonis, A. A. , Schultz, C. , and Tsonis, P. A. (1997) Zipf's Law and the structure and evolution of languages. Complexity , 2(5):12--13.

Tsonis, A. A., Schultz, C., and Tsonis, P. A. (1997) Zipf's Law and the structure and evolution of languages. Complexity, 2(5):12--13.

2001	-	Two regimes in the frequency of words and the origins of complex lexicons: Zipf's law revisited - Ferrer-i-Cancho,Sole	::	11
2005	-	Zipf's law from a communicative phase transition - Ferrer-i-Cancho	::	2
2005	-	The variation of Zipf's law in human language - Ferrer-i-Cancho	::	2