TY  - RPRT
TI  - Changes in USDA sire summary procedures.
AU  - R D Plowman
AU  - B T McDaniel
PY  - 1968
DO  - 10.3168/jds.s0022-0302(68)86978-4
UR  - https://pubmed.ncbi.nlm.nih.gov/5689069/
ID  - 5689069
ER  -