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Biological and production characteristics of certain lines of honey bee in Serbia / Biološko proizvodne karakteristike nekih linija medonosne pčele u Srbiji
(Institut za stočarstvo, Beograd, 2007)
During the previous decades the natural populations of honey bee Apis mellifera carnica at the territory of Republic of Serbia has been subjected to constant negative influence of man, in first place through deployment of ...