T. Di Matteo, T. Aste and M. M. Dacorogna, “Scaling Behaviours in Differently Developed Markets,” Physica A, Vol. 324, 2003, pp. 183-188. http://dx.doi.org/10.1016/S0378-4371(02)01996-9
 T. Di Matteo, T. Aste and M. M. Dacorogna, “Long-Term Memories of Developed and Emerging Markets: Using the Scaling Analysis to Characterise Their Stage of Development,” Journal of Banking and Finance, Vol. 29, No. 4, 2005, pp. 827-851.
 A. Sharkasi, H. J. Ruskin, M. Crane and J. A. M. Matos, “The Reaction of Stock Markets to Crashes and Events: A Comparison Study between Emerging and Mature Markets Using Wavelet Transforms,” Physica A, Vol. 368, No. 2, 2008, pp. 39103915.
 J. A. M. Matos, S. M. Gama, A. Sharkasi, H. J. Ruskin and M. Crane, “Time and Scale Hurst Exponent Analysis for Financial Markets,” Physica A, Vol. 387, No. 15, 2008, pp. 3910-3915.
 R. Coelho, S. Hutzler, P. Repetowicz and P. Richmond, “Sector Analysis for a FTSE Portfolio of Stocks,” Physica A, Vol. 373, 2006, pp. 615-626. http://dx.doi.org/10.1016/j.physa.2006.02.050