@article{10_37236_925,
     author = {P. R. Herwig and M.J.H. Heule and P. M. van Lambalgen and H. van Maaren},
     title = {A new method to construct lower bounds for van der {Waerden} numbers},
     journal = {The electronic journal of combinatorics},
     year = {2007},
     volume = {14},
     doi = {10.37236/925},
     zbl = {1115.05092},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/925/}
}