Morphometric identification of Africanized and European honey bees using large reference populations T.E. Rinderer, S.M. Buco, W.L. Rubink, H.V. Daly, J.A. Stelzer, R.M. Riggio and F.C. Baptista Apidologie, 24 6 (1993) 569-585 DOI: 10.1051/apido:19930605