@article{watanabe_ushiki, 
  title={Discussion about <i>Poa annua</i> Control for Golf Course Management}, 
  volume={46}, 
  DOI={10.11275/turfgrass.46.2_159}, 
  number={2}, 
  publisher={Japanese Society of Turfgrass Science}, 
  author={Watanabe, Hidetomi and Ushiki, Yuuichirou}
  }