R. G. Gillies, A. van Eyken, E. Spanswick, M. Nicolls, J. Kelly, M. Greffen, D. Knudsen, M. Connors, M. Schutzer, T. Valentic, M. Malone, J. Buonocore, J.-P. St.-Maurice, and E. Donovan. First observations from the RISR-C incoherent scatter radar. Radio Science, American Geophysical Union, volume 51,  2016 .

S.-R. Zhang, J. M. Holt, P. J. Erickson, L. P. Goncharenko, M. J. Nicolls, M. McCready, and J. Kelly. Ionospheric ion temperature climate and upper atmospheric long-term cooling. J. Geophys. Res. Space Physics, American Geophysical Union, issue 121,  2016 .

T. Valentic, J. Buonocore, M. Cousins, C. Heinselman, J. Jorgensen, J. Kelly, M. Malone, M. Nicolls, and A. van Eyken. AMISR: The Advanced Modular Incoherent Scatter Radar. 2013 IEEE International Symposium on Phased Array Systems and Technology,  2013 .

J. J. Sojka, M. J. Nicolls, C. J. Heinselman, and J. D. Kelly. The PFISR IPY observations of ionospheric climate and weather. J. Atmos. Solar-Terr. Phys., volume 71, issue 6, pages 771-785,  2009 .

J. J. Sojka, R. L. McPherron, A. P. van Eyken, M. J. Nicolls, C. J. Heinselman, and J. D. Kelly. Observations of ionospheric heating during the passage of solar coronal hole fast streams. Geophys. Res. Lett., volume 36, issue 1,  2009 .

J. Semeter, T. Butler, C. Heinselman, M. Nicolls, J. Kelly, and D. Hampton. Volumetric imaging of the auroral ionosphere: Initial results from PFISR. J. Atmos Solar-Terr. Phys., volume 71, issue 6, pages 738-743,  2009 .

J. D. Kelly and C. J. Heinselman. Initial results from Poker Flat Incoherent Scatter Radar (PFISR). J. Atmos Solar-Terr. Phys., volume 71, issue 6, pages 635,  2009 .

M. J. Nicolls, C. J. Heinselman, E. A. Hope, S. Ranjan, M. C. Kelley, and J. D. Kelly. Imaging of Polar Mesosphere Summer Echoes with the 450 MHz Poker Flat Advanced Modular Incoherent Scatter Radar. Geophys. Res. Lett., volume 34, issue 2,  2007 .