@article {ClKiSt2009,
    author = {Claesson, Anders and Kitaev, Sergey and Steingr\'{\i}msson, Einar},
     title = {Decompositions and statistics for {$\beta(1,0)$}-trees and
              nonseparable permutations},
   journal = {Adv. in Appl. Math.},
  fjournal = {Advances in Applied Mathematics},
    volume = {42},
      year = {2009},
    number = {3},
     pages = {313--328},
      issn = {0196-8858},
       doi = {10.1016/j.aam.2008.09.001},
       url = {https://doi.org/10.1016/j.aam.2008.09.001},
}