Dan Warren. Packing densities of more 2-block patterns. Adv. Appl. Math., 36(2):202-211, 2006. [doi]
@article{Warren06-1, title = {Packing densities of more 2-block patterns}, author = {Dan Warren}, year = {2006}, doi = {10.1016/j.aam.2005.06.004}, url = {https://doi.org/10.1016/j.aam.2005.06.004}, researchr = {https://researchr.org/publication/Warren06-1}, cites = {0}, citedby = {0}, journal = {Adv. Appl. Math.}, volume = {36}, number = {2}, pages = {202-211}, }