Article photocopied from Journal of Geophysical Research, vol. 92 No. B6, May 1997 551.8 TAY SEPTEMBER 8, 2023 BY ANONYMOUS Download PDF (2MB) PEIN Date Created Tue, 10/06/2015 - 21:49 PEIN Date Modified Wed, 08/01/2018 - 19:06 Record id 45228 Publication Date 1997