%A %T An introduction and discussion on MacKinnon's method in bird survey %0 Journal Article %D 1997 %J Biodiv Sci %R 10.17520/biods.1997012 %P 72-75 %V 05 %N 1 %U {https://www.biodiversity-science.net/CN/abstract/article_7767.shtml} %8 1997-02-20 %X