McDowell, Jonathan (1998-02-22). "Issue 350". Jonathan's Space Report. Jonathan's Space Page. Archived from the original on 2010-05-03. Retrieved 2009-07-09.
McDowell, Jonathan (1998-02-22). "Issue 350". Jonathan's Space Report. Jonathan's Space Page. Archived from the original on 2010-05-03. Retrieved 2009-07-09.