Hansted, Lise, Brian W. W. Grout, Jørgen Eilenberg, Ivar B. Dencker, and Torben B. Toldam-Andersen. “The Importance of Bee Pollination of the Sour Cherry (Prunus Cerasus) Cultivar ‘Stevnsbaer’ in Denmark”. Journal of Pollination Ecology 10 (December 3, 2012): 124–129. Accessed April 23, 2024. https://pollinationecology.org/index.php/jpe/article/view/136.