@article{10_37236_2471,
     author = {Craig Timmons},
     title = {An ordered {Tur\'an} problem for bipartite graphs},
     journal = {The electronic journal of combinatorics},
     year = {2012},
     volume = {19},
     number = {4},
     doi = {10.37236/2471},
     zbl = {1266.05076},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/2471/}
}