Yule, G. Udny (1926-01-01). "Why do we Sometimes get Nonsense-Correlations between Time-Series? A Study in Sampling and the Nature of Time-Series". Journal of the Royal Statistical Society. 89 (1): 1–63. doi:10.2307/2341482. JSTOR2341482. S2CID126346450.
Yule, G. Udny (1926-01-01). "Why do we Sometimes get Nonsense-Correlations between Time-Series? A Study in Sampling and the Nature of Time-Series". Journal of the Royal Statistical Society. 89 (1): 1–63. doi:10.2307/2341482. JSTOR2341482. S2CID126346450.
Yule, G. Udny (1926-01-01). "Why do we Sometimes get Nonsense-Correlations between Time-Series? A Study in Sampling and the Nature of Time-Series". Journal of the Royal Statistical Society. 89 (1): 1–63. doi:10.2307/2341482. JSTOR2341482. S2CID126346450.