1. Bennet, G.W., Friedes, J.L., Palevsky, H., Sutter, R.J., Igo, G.J., Simpson, W.D., Phillips, G.C., Stearus, R.L., Corley, D.M.: Phys. Rev. Lett.19, 387 (1967)
2. K L=1.2 GeV/C: Boschitz, E.T., Roberts, K.W., Vincent, J.S., Blecher, M., Gotow, K., Gugelot, P.C., Perdrisat, C.F., Swenson, L.W., Priest, J.R.: Phys. Rev. C6, 457 (1972)
3. K L =1.7 GeV/C: Bennet, G.W., Friedes, J.L., Palevsky, H., Sutter, R.J., Igo, G.J., Simpson, W.D., Phillips, G.S., Stearus, R.L., Corley, D.M.: Phys. Rev. Lett19, 387 (1967)
4. K L =2.03 GeV/C: Colemann, E., Heinz, R.M., Overseth, O.E., Pellet, D.E.: Phys. Rev. Lett.16, 761 (1966)
5. K L =2.25 GeV/C: Dubal, L., Hargrove, C.K., Hincks, E.P., McKee, R.J., Mes, H., Thompson, A.C., Bird, L., Halliwell, C.H., Morrison, R.W., Walters, J., McCaslin, J.B., Smith, A.R.: Phys. Rev. D9, 597 (1974)