@article{Lamarche2017a, author = "L. J. Lamarche and R. A. Makarevich", title = "Radar observations of density gradients, electric fields, and plasma irregularities near polar cap patches in the context of the gradient-drift instability", year = 2017 , journal = "J. Geophys. Res. Space Physics", publisher = "American Geophysical Union", keywords = "risrn", doi = "10.1002/2016JA023702", url = "https://agupubs.onlinelibrary.wiley.com/doi/full/10.1002/2016JA023702" }