Hello all. Check out the AEI web page at http://www.ans.neep.wisc.edu/~ans/point_source/AEI/AEI_home.html Interesting. Donald P. Mercado, O/47-20, B/101 PROFS Nickname: DMERCADO Radiation Safety Officer Internet: Don@LMSC.Lockheed.com Lockheed Martin Missiles & Space Tel. (408) 742-0759 Sunnyvale, Ca 94089 Fax. (408) 742-0611