Hansted, Lise, Brian W. W. Grout, Jørgen Eilenberg, Ivar B. Dencker, and Torben B. Toldam-Andersen. 2012. “The Importance of Bee Pollination of the Sour Cherry (Prunus Cerasus) Cultivar ‘Stevnsbaer’ in Denmark”. Journal of Pollination Ecology 10 (December):124-29. https://doi.org/10.26786/1920-7603(2012)17.