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Dyfyniad Arddull ChicagoRey, William J.J. Introduction to Robust and Quasi- Robust Statistical Methods. New York: Springer-verlag, 1983.
Dyfyniad MLARey, William J.J. Introduction to Robust and Quasi- Robust Statistical Methods. Springer-verlag, 1983.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.