@article {Should1970,
title = {Should Regression in Time Series be Computed Using Original Data or their Deltas? },
year = {1970},
url = {https://www.esri.ie/publications/should-regression-in-time-series-be-computed-using-original-data-or-their-deltas},
author = {Geary, Roy C},
journal = {Memorandum Series 68},
}