Röttger, J. MPI for Aeronomy, Max Planck Institute for Solar System Research, Max Planck Society;
Chu, Y. H., Hsu, T. S., Chen, L. H., Chao, J. K., Liu, C. H., & Röttger, J. (1990). A study of the characteristics of VHF radar echo power in the Taiwan area. Radio Science, 25, 527-538.