论文信息 - Regional differences in honey bee winter losses in Bulgaria during the period 2006–9 - 字舞流文

Regional differences in honey bee winter losses in Bulgaria during the period 2006–9

P. Petrov | E. Ivanova

[1] B. Dahle. The role of Varroa destructor for honey bee colony losses in Norway , 2010 .

[2] A. Gajda,et al. Polish honey bee colony-loss during the winter of 2007/2008 , 2008 .