@article{takano_arai_2011, 
  title={Study on a Liner Shipping Network Design Considering Empty Container Reposition}, 
  volume={13}, 
  DOI={10.2534/jjasnaoe.13.175}, 
  publisher={Japan Society of Naval Architects and Ocean Engineers}, 
  author={Takano and Arai}, 
  year={2011}
  }