@misc{indiciae09bf5f493cf9,
  title = {Recurrent solar wind structures in the outer heliosphere},
  author = {Whang, Y. C. and Burlaga, L. F.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19890058798},
  note = {Source identifier: 19890058798}
}