Kuleshov, V. N.; Nelsen, D. E.; Oppenheim, Alan V.; Johnson, D. H.; Bruce-Lockhart, M. P.(Research Laboratory of Electronics (RLE) at the Massachusetts Institute of Technology (MIT), 1970-04-15)
Zimmermann, Henry J.; Harvey, George G.; Mason, Samuel J.(Research Laboratory of Electronics (RLE) at the Massachusetts Institute of Technology (MIT), 1970-04-15)
Rome, J. A.; Briggs, R. J.; Bers, Abraham; Wallace, R. N.; Ratner, A. S.; Blanken, R. A.; Robinson, J. E.; Oktay, E.; Lidsky, Lawrence M.(Research Laboratory of Electronics (RLE) at the Massachusetts Institute of Technology (MIT), 1970-04-15)