1. H. Hahn, H.J. Halama and H.W.J. Foelsche, BNL Internal Report AADD-91 (unpublished);
2. H. Foesche, J. Lach, J. Sandweiss and M. Gundzik, BNL Internal Report HF/JL/JS/MG-1 (unpublished).
3. P.A. Schreiner, UCLA High Energy Physics Memo No. 31 (unpublished).
4. D.V. Norgven, Lawrence Radiation Laboratory Engineering Notes UCID-2743 and 2746 (not published).
5. F.T. Solmitz, A.D. Johnson and T.B. Day, Alvarez Group Programmer's Note P-126, Lawrence Radiation Laboratory Internal Reports (not published).