I: Ø. Andersen, K. Fløttum og T. Kinn (red.): Menneske, språk og fellesskap. Festskrift til Kirsti Koch Christensen på 60-årsdagen 1. desember 2000, Novus forlag, s. 25-45.
M. Crepinsek, M. Mernik, B. Bryant, F. Javed, and A. Sprague. Electronic Notes in Theoretical Computer Science, 141 (4):
99--116(12 December 2005)Proceedings of the Fifth Workshop on Language
Descriptions, Tools, and Applications (LDTA 2005).
A. Devert, N. Bredeche, and M. Schoenauer. Proceedings of the 9th European Conference on Genetic
Programming, volume 3905 of Lecture Notes in Computer Science, page 61--72. Budapest, Hungary, Springer, (10 - 12 April 2006)
P. Devre, P. Bhalekar, and D. Kharat. International Journal on Recent and Innovation Trends in Computing and Communication, 3 (1):
298--302(January 2015)
H. Ehrig. Graph Grammars and Their Application to Computer Science and Biology, volume 73 of Lecture Notes in Computer Science, page 1--69. Springer-Verlag, (1979)
J. Gillenwater, K. Ganchev, J. Graca, F. Pereira, and B. Taskar. Proceedings of the ACL 2010 Conference Short Papers, page 194--199. Stroudsburg, PA, USA, Association for Computational Linguistics, (2010)
M. Gyssens, J. Paredaens, and D. Gucht. Proc. of the 1989 ACM SIGMOD International Conference on Management of Data (SIGMOD 1989), page 263--272. Portland OR, USA, (June 1989)
T. Hoang, N. Hoai, R. McKay, and D. Essam. Genetic Programming Theory and Practice III, volume 9 of Genetic Programming, chapter 11, Springer, Ann Arbor, (12-14 May 2005)
T. Hussain, and R. Browse. Workshop on Evolutionary Computation. Held at the 12
Candadian Conference on Artificial Intelligence, Vancouver, Canada, (17 June 1998)