@conference{Disney2013,
  author       = {S.M. Disney and L. Hoshiko and L. Polley and C. Weigel},
  title        = {Removing bullwhip from Lexmark’s toner operations},
  booktitle    = {Production and Operations Management Society Annual Conference},
  year         = {2013},
  pages        = {10 pages},
  address      = {Denver, USA},
  month        = {May 3rd–6th},
  url          = {https://www.researchgate.net/publication/263578518_Removing_bullwhip_from_Lexmark\%27s_toner_operations},
  abstract     = {Lexmark’s existing planning system, that controls the production of printer toner, created a  bullwhip  effect  of  5.4:1.  Inventory  variability,  measured  as  a  ratio  to  the  demand  variance, was 27:3. We describe a project where, since 2011, we have been able to reduce bullwhip to 0.94:1 and inventory variability to 2.15:1.}
  }