. . . . . . "Graham RL" . . "Upper limits on the mixing of heavy neutrinos in the beta decay of 63Ni"@en . . . . "10.1103/PHYSREVC.36.1504" . . . . . "1987PhRvC..36.1504H" . "scientific article published on 01 October 1987"@en . "Upper limits on the mixing of heavy neutrinos in the beta decay of 63Ni"@nl . . . . . . "Upper limits on the mixing of heavy neutrinos in the beta decay of 63Ni"@nl . "Hetherington DW" . . "Upper limits on the mixing of heavy neutrinos in the beta decay of 63Ni"@en . "art\u00EDculu cient\u00EDficu espubliz\u00E1u n'ochobre de 1987"@ast . . . "9954242" . "36" . "\u043D\u0430\u0443\u043A\u043E\u0432\u0430 \u0441\u0442\u0430\u0442\u0442\u044F, \u043E\u043F\u0443\u0431\u043B\u0456\u043A\u043E\u0432\u0430\u043D\u0430 \u0432 \u0436\u043E\u0432\u0442\u043D\u0456 1987"@uk . "Upper limits on the mixing of heavy neutrinos in the beta decay of 63Ni"@en . "im Oktober 1987 ver\u00F6ffentlichter wissenschaftlicher Artikel"@de . . . . . . "wetenschappelijk artikel"@nl . "release_jwuu6qwi5jhkbj22xatctknhzq" . . "article scientifique publi\u00E9 en 1987"@fr . . . . "Lone MA" . . . . "4" . . . "Upper limits on the mixing of heavy neutrinos in the beta decay of 63Ni"@nl . . . "b\u00E0i b\u00E1o khoa h\u1ECDc"@vi . . "Geiger JS" . "Upper limits on the mixing of heavy neutrinos in the beta decay of 63Ni"@en . "Lee-Whiting aG" . . . . . "1987-10-01T00:00:00Z"^^ . . . "1504-1513" .