Peter F. Stadler, Christoph Flamm. Barrier Trees on Poset-Valued Landscapes. Genetic Programming and Evolvable Machines, 4(1):7-20, 2003.
@article{StadlerF03, title = {Barrier Trees on Poset-Valued Landscapes}, author = {Peter F. Stadler and Christoph Flamm}, year = {2003}, researchr = {https://researchr.org/publication/StadlerF03}, cites = {0}, citedby = {0}, journal = {Genetic Programming and Evolvable Machines}, volume = {4}, number = {1}, pages = {7-20}, }