@article{GDZPPN002451425, title = {Estimation of Correlation for a Finite Universe}, journal = {Metrika}, volume = {16}, year = {1970}, pages = {105-109}, zbl = {0205.46403}, url = {http://dml.mathdoc.fr/item/GDZPPN002451425} }
Koop, J.C. Estimation of Correlation for a Finite Universe. Metrika, Tome 16 (1970) pp. 105-109. http://gdmltest.u-ga.fr/item/GDZPPN002451425/