1. Corporate Research Science Laboratories Exxon Research and Engineering Co. Clinton Township Annandale, New Jersey 08801
2. Computing Technology and Support Division Exxon Research and Engineering Co. Clinton Township Annandale, New Jersey 08801
3. Courant Institute of Mathematical Sciences New York University 251 Mercer Street New York, New York 10012
4. Tel Aviv University Tel Aviv , Israel
5. ICASE NASA Langley Research Center Hampton, Virginia 23665