@article{Mittelhammer:31032,
      author = {Mittelhammer, Ronald C. and Shi, Hongqi and Wahl, Thomas  I.},
      title = {{ACCOUNTING FOR AGGREGATION BIAS IN ALMOST IDEAL DEMAND  SYSTEMS}},
      journal = {Journal of Agricultural and Resource Economics},
      volume = {Volume 21},
      number = {Number 2},
      pages = {247. - 16},
      year = {1996},
}