@article{豊島_1981, 
  title={野兎による桐造林木の被害実態調査}, 
  volume={8}, 
  DOI={10.18987/jjsh.8.0_31}, 
  number={0}, 
  publisher={Japanese Wildlife Reseach Society}, 
  author={豊島, 重造}, 
  year={1981}
  }