[JLS] B. Joy, G. Steele, J. Gosling, and G. Bracha. The Java Language Specification, Second Edition. Addison-Wesley, Reading. (2000).
http://java.sun.com/docs/books/jls/.
[JLS3] J. Gosling, B. Joy, G. Steele, and G. Bracha. The Java Language Specification, Third Edition. Addison-Wesley, Reading. (2005).
http://java.sun.com/docs/books/jls/.
[ABOP] P. Prusinkiewicz and A. Lindenmayer. The Algorithmic Beauty of Plants. Springer, New York. (1990).
http://www.algorithmicbotany.org/.
[RGG] O. Kniemeyer, G. Buck-Sorlin, and W. Kurth. A graph grammar approach to Artificial Life. Artificial Life. (2004). 413-431.
[PGRS] A. Schürr. Programmed graph replacement systems. In G. Rozenberg. Handbook of Graph Grammars and Computing by
Graph Transformations. World Scientific, Singapore. (1997). 479-546.