Aizen-Harder-2009
Aizen, Marcelo A. / Harder, Lawrence D. (2009): The Global Stock of Domesticated Honey Bees is Growing Slower Than Agricultural Demand for Pollination. - Current Biology (2009) No. 19, vol. 11, doi:10.1016/j.cub.2009.03.071
Aizen_et_al_2009_CurrentBiology.pdf
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