Taher Shaibi, Stefan Fuchs and Robin F. A. Moritz springerlink.com websiteMorphological study of Honeybees (Apis mellifera) from Libya Volume 40, Number 2, 97-105, doi:10.1051/apido/2008068 [Retrieved 2011-12-20]
googleusercontent.com
scholar.googleusercontent.com
Y Le Conte, M. Navajas scholar.google.com websiteClimate change: impact on honey bee populations and diseases Rev. sci. tech. Off. int. Epiz., 2008, 27 (2), 499-510 [Retrieved 2011-12-20]