Leeper TJ (2017). UNF: Tools for creating universal numeric fingerprints for data. R package version 2.0.6.
@Manual{, title = {UNF: Tools for creating universal numeric fingerprints for data}, author = {Thomas J. Leeper}, year = {2017}, note = {R package version 2.0.6}, }
Altman M, Gill J and McDonald M (2003). Numerical Issues in Statistical Computing for the Social Scientist, First edition. John Wiley and Sons, New York. ISBN ISBN 0-471-23633-0.
@Book{, title = {Numerical Issues in Statistical Computing for the Social Scientist}, author = {M. Altman and J. Gill and M.P. McDonald}, publisher = {John Wiley and Sons}, edition = {First}, address = {New York}, year = {2003}, isbn = {ISBN 0-471-23633-0}, }