1. AGS Experiment E-813, E-836 Collaboration: M. Athanas, P. D. Barnes, B. Bassalleck, A. Berdoz, P. Birien, M. Buerger, T. Buerger, R. Chrien, C. Davis, N. Davison, G. Diebold, H. Fischer, G. Franklin, J. Franz, D. Gill, N. Hamann, T. Iijima, K. Imai, J. Lowe, R. Magahiz, C. Maher, A. Masaike, F. Merrill, K. Miyake, J. Nelson, K. Ikada, S. Page, P. Pile, B. Quinn, D. Ramsay, E. Roessle, M. Rozon, A. Rusek, R. Sawafta, H. Schmitt, R. A. Schumacher, R. Stearns, R. Sukaton, V. Sum, R. Sutter, J. Szymanski, F. Takeutchi, W. van Oers, D. Wolfe, V. Zeps, R. Zybert; Institutions: University of Alberta, University of Birmingham, Brookhaven National Laboratory, Carnegie Mellon University, CERN, University of Freiburg, Indiana University Cyclotron Facility, Kyoto University, University of Kyoto Sangyo, Los Alamos National Laboratory, University of Manitoba, University of New Mexico, TRIUMF, Vassar College, Yale University.
2. Perhaps a Stable Dihyperon
3. Quarks and Nuclei;Oka,1985
4. The di-hyperon state in the quark cluster model