@article{comprehensivetimeseriesregressionmodels,
  title = {Comprehensive Time-Series Regression Models Using GRETL -- U.S. GDP and Government Consumption Expenditures & Gross Investment from 1980 to 2013},
  year = {2019},
  eprint = {1412.5397},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1412.5397v3},
}