@misc{indiciae1352d74f791a,
  title = {The DAO Retrospective Data Assimilation System},
  author = {Todling, Richardo and Zhu, Yanqiu and Einaudi, Franco},
  year = {2000},
  url = {https://ntrs.nasa.gov/citations/20000115871},
  note = {Source identifier: 20000115871}
}