Citation: Rs. Wacker et Re. Orville, Changes in measured lightning flash count and return stroke peak current after the 1994 US National Lightning Detection Network upgrade - 1. Observations, J GEO RES-A, 104(D2), 1999, pp. 2151-2157
Citation: Rs. Wacker et Re. Orville, Changes in measured lightning flash count and return stroke peak current after the 1994 U.S. National Lightning Detection Network upgrade - 2. Theory, J GEO RES-A, 104(D2), 1999, pp. 2159-2162