@article{Fentzke2009a, author = "J. T. Fentzke and D. Janches and J. J. Sparks", title = "Latitudinal and seasonal variability of the micrometeor input function: A study using model predictions and observations from Arecibo and PFISR", year = 2009 , journal = "J. Atmos Solar-Terr. Phys.", volume = 71, number = 6, pages = "653-661", keywords = "amisr, pfisr", doi = "10.1016/j.jastp.2008.07.015" }