@book{Belsley1980,
author = {Belsley, D.A. and Kuh, E. and Welsch, R.E.},
title= {Regression diagnostics: Identifying influential data and sources of collinearity},
year = {1980},
doi = {10.1002/0471725153},
address = {Hoboken},
publisher = {John Wiley & Sons, Inc},
}