Tretjakova M.I. , a.o. , Chernyavsky M.M. , Anzon Z.V. , Orlova G.I. , Adamovich M.I. , Kharlamov S.P. , Larionova V.G. , Yagudina F.R. , Gaitinov A.S. , Eremenko L.E. Distributions of rapidity intervals in pion-nucleon interactions at 200 Gev/c and multiperipheral claster model. Pr. FIAH , N123 , с. 7 c. , 01.1976