This the list of articles included in my PhD thesis,

Ferrer i Cancho, R. (2003). Language: universals, principles and origins. Barcelona: Universitat Politècnica de Catalunya.

Ferrer-i-Cancho, R. (2008). Some word order biases from limited brain resources. A mathematical approach. Advances in Complex Systems 11 (3), 394-414.
[ doi: org/10.1142/S0219525908001702 ]

Ferrer i Cancho, R. (2006). Why do syntactic links not cross? Europhysics Letters 76 1228-1235.
[ doi: 10.1209/epl/i2006-10406-0]

Ferrer i Cancho, R., Riordan, O. & Bollobás, B. (2005). The consequences of Zipf's law for syntax and symbolic reference. Proceedings of the Royal Society of London  Series B 272, 561-565.
[ doi: 10.1098/rspb.2004.2957 ]

Ferrer i Cancho, R. (2005). Decoding least effort and scaling in signal frequency distributions. Physica A 345, 275-284.
[ doi: 10.1016/j.physa.2004.06.158 ]

Ferrer i Cancho, R. (2004). The Euclidean distance between syntactically linked words. Physical Review E 70, 056135.
[ doi: 10.1103/PhysRevE.70.056135 ]

Ferrer i Cancho, R., Solé, R. V. & Köhler, R. (2004). Patterns in syntactic dependency networks. Physical Review E 69, 051915.
[ doi: 10.1103/PhysRevE.69.051915 ]

Ferrer i Cancho, R. & Solé, R. V. (2003). Least effort and the origins of scaling in human language. Proceedings of the National Academy of Sciences USA. 100, 788-791.
[ doi: 10.1073/pnas.0335980100 ]

Ferrer i Cancho & Solé, R. V.  (2003). Optimization in complex networks. Statistical Mechanics of Complex Networks, Lecture Notes in Physics Vol 625, Springer (Berlin), pp 114-125.
[ doi: 10.1007/b12331 ]

Ferrer i Cancho, R. & Solé, R. V. (2002). Zipf´s law and random texts. Advances in Complex Systems 5, 1-6.
[ doi: 10.1142/S0219525902000468 ]

Ferrer i Cancho, R. & Solé, R. V. (2001). Two regimes in the frequency of words and the origin of complex lexicons:  Zipf's law revisited. Journal of Quantitative Linguistics 8, 165-173.
[ doi: 10.1076/jqul. ]