Search for an admixture of heavy neutrinos in the beta decay of .SUP.241 Pu

DRAGOUN, O., ŠPALEK, A., RYŠAVÝ, M., KOVALÍK, A., YAKUSHEV, E. A., BRABEC, V., NOVGORODOV, A. F., DRAGOUNOVÁ, N., ŘÍZEK, J. Search for an admixture of heavy neutrinos in the beta decay of .SUP.241 Pu. In: Book of Abstracts of the International Conference of Nuclear Physics "Nuclear Shells - 50 Years". SanktPeterburg: OIJaI, 1999, s. 406. ISBN 5-86763-006-4.