%0 Journal Article %T August 4, 1972 revisited: A new look at the geomagnetic disturbance that caused the L4 cable system outage %A Boteler, D. H. %A van Beek, G. Jansen %J Geophysical Research Letters %V 26 %N 5 %P 577-580 %@ 0094-8276 %D 1999-03-01 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve