[1] م. دلخوش، معرفی فرکتالها و بعدهای کسری، نشریه ریاضی و جامعه، 2، (1394) 23-1.
[2] D. P. Feldman, Chaos and Fractals, An Elementary Introduction, Oxford University Press, Oxford, 2012.
[3] A. Lindenmayer, Mathematical models for cellular interaction in development, Parts I and II, Journal of Theoretical Biology, 18 (1968) 280–315.
[4] A. Lindenmayer, Developmental systems without cellular interaction, their languages and grammars, Journal of Theoretical Biology, 2 (1971) 455–484.
[5] P. Linz, An Introduction to Formal Languages and Automata, Fourth ed, Jones and Bratlett Publishers, Boston, 2008.
[6] B. B. Mandelbrot, The Fractal Geometry of Nature, W. H. Freeman, San Francisco, 1982.
[7] S. Manousakis, Musical L-Systems, MS. thesis, The Royal Conservatory of The Hague, June 2006.
[8] P. Prusinkiewicz, Graphical applications of L-systems, In Proceedings of Graphics Interface ’86 — Vision Interface’, 86 (1986) 247–253.
[9] P. Prusinkiewicz, Applications of L-systems to computer imagery, In H. Ehrig, M. Nagl, A. Rosenfeld, and G. Rozenberg, editors, Graph grammars and their application to computer science; Third International Workshop, 534–548, Springer-Verlag, Berlin, 1987, Lecture Notes in Computer Science 291.
[10] P. Prusinkiewicz and J. Hanan, Lindenmayer Systems, Fractals, and Plants, Springer-Verlag, Berlin, 1989.
[11] P. Prusinkiewicz and A. Lindenmayer, The Algorithmic Beauty of Plants, Springer-Verlag, New York, 1990.
[12] G. Rozenberg and A. Salomaa, Lindenmayer Systems Impacts on Theoretical Computer Science, Computer Graphics, and De-velopmental Biology, Springer-Verlag, Berlin, 1992.
[13] Examples from: http://en.wikipedia.org/wiki/L-system, 2016.