@article{fan_ji_gu_sun_2014,  title={Optimization approaches to mpi and area merging-based parallel buffer algorithm},  volume={20},  ISSN={1982-2170},  url={https://doi.org/10.1590/S1982-21702014000200015},  DOI={10.1590/S1982-21702014000200015},  number={2},  journal={Boletim de Ciências Geodésicas},  publisher={Universidade Federal do Paraná},  author={Fan, Junfu and Ji, Min and Gu, Guomin and Sun, Yong},  year={2014},  month={Apr},  pages={237–256} }