Melissopolynology Literature 2: Study on shape, content and concentration of plant pollen in part commercial honey of China

Literature 2: Wei Li, Zeng Zhijiang. Study on shape, content and concentration of plant pollen in part commercial honey of China. Apiculture of China. 2009,60(6):12-14. Literature in Chinese, download from: 

中国部分商品蜂蜜中植物花粉形态、含量及浓度的研究 - 中国知网