Schlegel, K. MPI for Aeronomy, Max Planck Institute for Solar System Research, Max Planck Society;
Schlegel, K., & Oyama, K.-I. (1988). Electron temperatures in the high latitude topside ionosphere from satellite and incoherent scatter data, ISAS Research Note 395. Institute of Space and Astronautical Science, Sagamihara, Kanagawa, Japan: ANY PUBLISHER.