R C Littell

Statistical analysis of repeated measures data using SAS procedures.

R C Littell, P R Henry, C B Ammerman, 1998, Journal of animal science.

Mixed Models: Modelling Covariance Structure in the Analysis of Repeated Measures Data

R C Littell, R. Natarajan, J. Pendergast, 2005 .

A general polyploid model for analyzing gene segregation in outcrossing tetraploid species.

Z B Zeng, R C Littell, R. Wu, 2001, Genetics.

Appropriate statistical methods to compare dose responses of methionine sources.

R C Littell, R. Littell, D. Kratzer, 2006, Poultry science.