@Article{angeo-26-2345-2008, AUTHOR = {Saito, S. and Yamamoto, M. and Hashiguchi, H.}, TITLE = {Imaging observations of nighttime mid-latitude F-region field-aligned irregularities by an MU radar ultra-multi-channel system}, JOURNAL = {Annales Geophysicae}, VOLUME = {26}, YEAR = {2008}, NUMBER = {8}, PAGES = {2345--2352}, URL = {http://www.ann-geophys.net/26/2345/2008/}, DOI = {10.5194/angeo-26-2345-2008} }