====== References ======
original source(([[http://en.blitzortung.org/Compendium/Documentations/Documentation_2014-05-11_Red_PCB_10.4_PCB_12.3_PCB_13.1_PCB_14.1.pdf|Documentation System RED]], chapter References))

===== [DBR02] =====
R.L. Dowden and J.B. Brundell and C.J. Rodger. VLF lightning location by time of group
arrival (TOGA) at multiple sites. Journal of Atmospheric and Solar-Terrestrial Physics,
64(7):817-830, 2002.

===== [KS01] =====
W.J. Koshak and R.J. Solakiewicz. TOA Lightning Location Retrieval on Spherical and
Oblate Spheroidal Earth Geometries. Journal of Atmospheric and Oceanic Technology,
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===== [BSL09] =====
H.D. Betz, U. Schumann, and P. Laroche (Eds.) Lightning: Principles, Instruments and
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