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@article{Oliveira2020d,
  author = {D. M. Oliveira and M. D. Hartinger and Z. Xu and E. Zesta
            and V. A. Pilipenko and B. L. Giles and M. V. D. Silveira},
  title = {{Interplanetary shock impact angles control magnetospheric ULF 
            wave activity: Wave amplitude, frequency, and power spectra}},
  year= 2020,
  journal = {Geophysical Research Letters},
  volume = 47,
  number = 24,
  pages = {e2020GL090857},
  doi = {10.1029/2020GL090857}
}