Rosenkranz, P. W.; Webb, J. G., Jr.; Mohlere, R. D. V.; Peterson, D. F.(Research Laboratory of Electronics (RLE) at the Massachusetts Institute of Technology (MIT), 1969-07-15)
Halle, Morris; Stevens, Kenneth N.; Wolf, J. J.(Research Laboratory of Electronics (RLE) at the Massachusetts Institute of Technology (MIT), 1969-07-15)
Mason, Samuel J.; Zimmermann, Henry J.; Harvey, George G.(Research Laboratory of Electronics (RLE) at the Massachusetts Institute of Technology (MIT), 1969-07-15)