Seed testing: principles and practices
. East Lansing, Michigan: Michigan State University Press, 2012.
Seed moisture determination: principles and procedures
, 2ndnd ed. Washington, DC: Association of Official Seed Analysts, 2018.
“Cold tolerance evaluation of four annual ryegrass varieties grown in Oregon using a thermogradient table”
, Seed Production Research
. Department of Crop and Soil Science, Oregon State University, Corvallis, Oregon, 2018.