R. Aler, D. Borrajo, and P. Isasi. Proceedings of the 2001 Congress on Evolutionary
Computation CEC2001, page 1220--1227. COEX, World Trade Center, 159 Samseong-dong,
Gangnam-gu, Seoul, Korea, IEEE Press, (27-30 May 2001)
W. Banzhaf, and A. Leier. Genetic Programming Theory and Practice III, volume 9 of Genetic Programming, chapter 14, Springer, Ann Arbor, (12-14 May 2005)
C. Chion, L. Da Costa, and J. Landry. GECCO 2006: Proceedings of the 8th annual conference
on Genetic and evolutionary computation, 1, page 783--790. Seattle, Washington, USA, ACM Press, (8-12 July 2006)
A. Heddad, M. Brameier, and R. MacCallum. Applications of Evolutionary Computing,
EvoWorkshops2004: EvoBIO, EvoCOMNET, EvoHOT,
EvoIASP, EvoMUSART, EvoSTOC, volume 3005 of LNCS, page 31--40. Coimbra, Portugal, Springer Verlag, (5-7 April 2004)
D. Jackson. GECCO '07: Proceedings of the 9th annual conference on
Genetic and evolutionary computation, 2, page 1612--1619. London, ACM Press, (7-11 July 2007)
H. Katagiri, K. Hirasawa, J. Hu, and J. Murata. Proceedings of the Genetic and Evolutionary
Computation Conference (GECCO-2001), page 179. San Francisco, California, USA, Morgan Kaufmann, (7-11 July 2001)
E. Lukschandl, M. Holmlund, E. Moden, M. Nordahl, and P. Nordin. Late Breaking Papers at the Genetic Programming 1998
Conference, page 135--142. University of Wisconsin, Madison, Wisconsin, USA, Stanford University Bookstore, (22-25 July 1998)
A. Sarafopoulos. Genetic Programming, Proceedings of EuroGP'2001, volume 2038 of LNCS, page 176--191. Lake Como, Italy, Springer-Verlag, (18-20 April 2001)