Biblio
“A national survey of managed honey bee 2015–2016 annual colony losses in the USA”, Journal of apicultural research, vol. 56, pp. 328–340, 2017.
“A national survey of managed honey bee 2013–2014 annual colony losses in the USA”, Apidologie, vol. 46, pp. 292–305, 2015.
“A national survey of managed honey bee 2014–2015 annual colony losses in the USA”, Journal of Apicultural Research, vol. 54, pp. 292–304, 2015.