@article {Correcting1964,
title = {Correcting for Seasonality: 2. Correction of Moving Averages for Trend, especially at High or Low Turning Points},
year = {1964},
url = {https://www.esri.ie/publications/correcting-for-seasonality-2-correction-of-moving-averages-for-trend-especially-at-high-or-low-turning-points},
author = {Geary, R.},
journal = {Memorandum Series 17},
}