@article{Kelly2009a, author = "J. D. Kelly and C. J. Heinselman", title = "Initial results from Poker Flat Incoherent Scatter Radar (PFISR)", year = 2009 , journal = "J. Atmos Solar-Terr. Phys.", volume = 71, number = 6, pages = "635", keywords = "amisr, pfisr, pfrr", doi = "10.1016/j.jastp.2009.01.009" }