“Economics of Fish Resources and Aquatic Ecosystems: Balancing Uses, Balancing Costs”
, Fifteenth Biennial Conference of the International Institute of Fisheries Economics & Trade (IIFET)
. IIFET, Montpellier, France, 2010.
“Effect of season of use and grazing systems on nutritional value of forage”
. Pacific Northwest Section, American Society of Range Management, Portland, OR, 1963.