Brad Withrow-Robinson, Debra Zaveson, Jacob Putney | Dec 2007 | Article Peer reviewed (Gray level)
Kym Pokorny | Apr 20, 2018 | News story
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Virginia Thompson, Alex Bourdeau | Apr 2021 | Extension Catalog publication Peer reviewed (Orange level)
Sam Angima | Oct 2009 | Extension Catalog publication Peer reviewed (Orange level)
Lawrence Brown, M.H. Holroyd, H.M. Dole | Sep 2019 | Extension Catalog publication Peer reviewed (Orange level)