@ARTICLE{Tang+PoonETAL-Appruncotestproc:11,
  title        = {Approximate unconditional test procedure for comparing two ordered multinomials computational statistics and data analysis},
  author       = {Tang, M. L. and Poon, W.-L. and Ling, L. and Liao, Y. and Chui, H.-W.},
  journal      = {Comput. Stats. Data Anal.},
  fjournal     = {Computational Statistics and Data Analysis},
  volume       = {55},
  number       = {2},
  pages        = {955-963},
  year         = {2011},
  doi          = {DOI: 10.1016/j.enganabound.2010.06.002},
}