@misc{indiciae33de8e45253d,
  title = {Three-dimensional thermal convection in a spherical shell},
  author = {Bercovici, D. and Schubert, G. and Glatzmaier, G. A. and Zebib, A.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19900024547},
  note = {Source identifier: 19900024547}
}