@article{krattenthaler:1992:hhm,
    author = {Krattenthaler, C.},
     title = {{HYP} and {HYPQ}. {M}athematica packages for the manipulation
              of binomial sums and hypergeometric series respectively
              {$q$}-binomial sums and basic hypergeometric series},
   journal = {S\'eminaire Lotharingien de Combinatoire},
    volume = {30},
     pages = {61–76},
      year = {1993},
      note = {Also published in J. Symbolic Comput. (1995), v. 20, no. 5–6,
              pp. 737–744.},
   mrclass = {05A19 (05A30 33C20 33D15)},
  mrnumber = {MR1312629 (96f:05018)},
mrreviewer = {G. Gasper},
     links = {\URL[Code]{http://www.mat.univie.ac.at/~kratt/hyp_hypq/hyp.html}},
       doi = {10.1006/jsco.1995.1075},
     zblno = {0889.05005}}