Here is the list of contributors for this report:

"GTI Corporation, Space Services Division, Esker K. Davis, General Manager, President, Space Services, Inc., A Subsidiary of GTI Company; GTI Corporation, Corporate Offices, Stanley Burg, Vice President - Marketing; James K. La Fleur, Chairman, President and Chief Executive Officer; Ronald Lust, Vice President - Finance; Deere and Company Technical Center, James A. Graham, Senior Research Associate; Rensselaer Polytechnic Institute, Martin E. Glicksman, Professor of Metallurgical Engineering and Chairman, Materials Engineering Department; Pickering Research Corporation, William H. Pickering, Ph.D., President; The First Boston Corporation, Carl T. White, Vice President, Corporate Finance; NASA, Marshall Space Flight Center, Wm. R. Marshall, Director, Program Development; Dr. Robert Naumann, Chief MPS Program Scientist; Joe Beumer, Assoc. Patent Counsel; Richard Brown, Mgr. Commercial Applications, Materials Processing in Low Gravity; and Ken Taylor, Project Engineer."