Bizotto, L. de A., Santos, R.S.S. dos and Boff, M.I.C. (2018) “Food resources and population pattern in Apis mellifera hives used for apple pollination”, Pesquisa Agropecuaria Brasileira, 53(4), pp. 399–404. doi:10.1590/S1678-3921.pab2018.v53.25103.