Bibliografia

Everitt, B. S. & G. Dunn. 2001. Applied Multivariate Data Analysis.ArnoldPublication. Gotelli, N. & A. M. Ellison. 2004. A primer of ecological statistics. Sinauer Associates,Sunderland. Krebs, C. J. 1989. Ecological methodology. Harper-Collins Publishers, New-York. Quinn, G. P. & M. J. Keough. 2002. Experimental design and data analysis for biologists.CambridgeUniversityPress,Cambridge. Sokal, R. R. & F. J. Rohlf. 1981. Biometry. 2nd edition. Freeman & Company, New York. Zar, J. 1996. Biostatistical analysis. 3rd edition. Prentice Hall, New Jersey.: