http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
summary of genetic and environmental statistics for growth and conformation traits of young beef cattle
Summary of genetic and environmental statistics for growth and conformation traits of beef cattle
Robert R. Petty, Jr. and T.C. Cartwright.
Departmental technical report (Texas A & M University. Department of Animal science) ; no. 5