@article {Relative1970,
title = {Relative  Efficiency of Count of Sign Changes for Assessing Residual Autoregression in Least Squares Regression},
year = {1970},
url = {https://www.esri.ie/publications/relative-efficiency-of-count-of-sign-changes-for-assessing-residual-autoregression-in-least-squares-regression},
author = {Geary, Roy C},
journal = {Biometrika, Vol. 57 No. 1},
}