by Kossert, K., Camen, M., Wissmann, F., Ahrens, J., Annand, J.R.M., Arends, H.-J., Beck, R., Caselotti, G., Grabmayr, P., Jahn, O., Jennewein, P., Levchuk, M.I., L'vov, A.I., McGeorge, J.C., Natter, A., Olmos de León, V., Petrun'kin, V.A., Rosner, G., Schumacher, M., Seitz, B., Smend, F., Thomas, A., Weihofen, W., Zapadtka, F.
Published in The European physical journal. A, Hadrons and nuclei (01.02.2003)

by Dedenko, L.G., Domogatsky, G.V., Zheleznykh, I.M., Petrunkin, V.A.
Published in Nuclear physics. B (18.06.1973)