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- Ross, Jenna (September 28, 2010). "Buzz about U professor is 'genius’". Star Tribune. Retrieved April 25, 2014.
- Horn, Tammy (November 1, 2011). Beeconomy: What Women and Bees Can Teach Us about Local Trade and the Global Market. University Press of Kentucky. p. 170. ISBN 9780813134369.
|Marla Spivak: Why bees are disappearing, TEDGlobal 2013|
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