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Fernández, E.; Bolea, J. A.; Ortega, G.; Louis, E. (1999). «Are neurons multifractals?». Journal of Neuroscience Methods89 (2): 151–157. doi:10.1016/s0165-0270(99)00066-7. PMID10491946.
Schulze, M. M.; Hutchings, N.; Simpson, T. L. (2008). «The Use of Fractal Analysis and Photometry to Estimate the Accuracy of Bulbar Redness Grading Scales». Investigative Ophthalmology & Visual Science49 (4): 1398–1406. doi:10.1167/iovs.07-1306. PMID18385056.
Plotnick, R. E.; Gardner, R. H.; Hargrove, W. W.; Prestegaard, K.; Perlmutter, M. (1996). «Lacunarity analysis: A general technique for the analysis of spatial patterns». Physical Review E53 (5): 5461–5468. doi:10.1103/physreve.53.5461. PMID9964879. Bibcode: 1996PhRvE..53.5461P.
Plotnick, R. E.; Gardner, R. H.; Hargrove, W. W.; Prestegaard, K.; Perlmutter, M. (1996). «Lacunarity analysis: A general technique for the analysis of spatial patterns». Physical Review E53 (5): 5461–5468. doi:10.1103/physreve.53.5461. PMID9964879. Bibcode: 1996PhRvE..53.5461P.
Fernández, E.; Bolea, J. A.; Ortega, G.; Louis, E. (1999). «Are neurons multifractals?». Journal of Neuroscience Methods89 (2): 151–157. doi:10.1016/s0165-0270(99)00066-7. PMID10491946.
Schulze, M. M.; Hutchings, N.; Simpson, T. L. (2008). «The Use of Fractal Analysis and Photometry to Estimate the Accuracy of Bulbar Redness Grading Scales». Investigative Ophthalmology & Visual Science49 (4): 1398–1406. doi:10.1167/iovs.07-1306. PMID18385056.