1	Autoregressive model, Wikimedia Foundation, 2017.
2	Correlation Coefficient, Wikimedia Foundation, 2017.
3	Autocorrelation, Wikimedia Foundation, 2016.
4	Alan Zucconi, Autocorrelation Function, 2016.
5	Pearson Correlation Coefficient, Wikimedia Foundation, 2017.
6	Correlation and Dependence, Wikimedia Foundation, 2017.
7	Robert H. Shumway and David S. Stoffer, Time Series Analysis and Its Applications: With R Examples (Springer Texts in Statistics), Springer, 2010.
8	Time series, Wikimedia Foundation, 2017.
9	Frequency Domain, Wikimedia Foundation, 2017.
10	Time Domain, Wikimedia Foundation, 2017.
11	Linear Regression, Wikimedia Foundation, 2017.
12	Covariance, Wikimedia Foundation, 2017.
13	Robert F. Nau, Stationarity and differencing, Duke University: The Fuqua School of Business, 2017.
14	Seasonality, Wikimedia Foundation, 2017.
15	Seasonal Adjustment, Wikimedia Foundation, 2017.
16	Vector Autoregression, Wikimedia Foundation, 2017.
17	Variance, Wikimedia Foundation, 2017.
18	Estimator, Wikimedia Foundation, 2017.
19	Sample Variance, Wikimedia Foundation, 2017.
20	Statistics for Engineers and Scientists, 3rd Edition, McGraw-Hill, 2010.
21	Analysis of Variance, Online Statbook, 2017.
22	Seasonal Subseries Plot, Wikimedia Foundation, 2017.
23	Seasonal Adjustment, Wikimedia Foundation, 2017.
24	Autocovariance, Wikimedia Foundation, 2017.
25	Stationary Process, Wikimedia Foundation, 2017.