D. Janches, N. Swarnalingam, J. D. Carrillo-Sanchez, J. C. Gomez-Martin, R. Marshall, D. Nesvorny, J. M. C. Plane, W. Feng, and P. Pokorny. Radar Detectability Studies of Slow and Small Zodiacal Dust Cloud Particles. III. The Role of Sodium and the Head Echo Size on the Probability of Detection. The Astrophysical Journal, volume 843, issue 1, 2017 . D. Janches, N. Swarnalingam, J. Plane, D. Nesvorny, W. Feng, D. Vokrouhlicky, and M. Nicolls. Radar detectability studies of slow and small Zodiacal Dust Cloud Particles: II. A study of three radars with di erent sensitivity. The Astrophysical Journal, volume 796, issue 41, 2014 . M. C. Kelley, M. J. Nicolls, R. H. Varney, R. L. Collins, R. Doe, J. M. C. Plane, J. Thayer, M. Taylor, B. Thurairajah, and K. Mizutani. Radar, lidar, and optical observations in the polar summer mesosphere shortly after a space shuttle launch. J. Geophys. Res., volume 115, 2010 .