[1]
Pires, C.S.S. et al. 2016. Weakness and collapse of bee colonies in Brazil: are there cases of CCD?. Pesquisa Agropecuaria Brasileira. 51, 5 (Aug. 2016), 422–442. DOI:https://doi.org/10.1590/S1678-3921.pab2016.v51.22708.