@article{article271ab7d1,
title   = {Hybrid status of honey bee populations near the historic origin of africanization in brazil},
author = {Sheppard, W S and Soares, A E E and De Jong, David and Shimanuki, H},
year = {1991},
doi = {10.1051/apido:19910607},
journal   = {Apidologie}
}