@article{CTT100627014, author = {Masahiro Hotta and Miyuki HAYASHI and Michael T. Lanagan and Dinesh K. Agrawal and Kazuhiro Nagata}, title = {Complex permittivity of graphite, carbon black and coal powders in the ranges of X-band Frequencies (8.2 to 12.4 GHz) and between 1 and 10 GHz}, journal = {ISIJ International}, year = 2011, }