@article{PismaZhETF.78.707,
    title = {New experimental limits on heavy neutrino mixing in $^{8}$B-decay obtained with the Borexino Counting Test Facility},
    author = {Back, H. O. and Balata, M. and de Bari, A. and Beau, T. and de Bellefon, A. and Bellini, G. and Benziger, J. and Bonet-ti, S. and Buck, C. and Caccianiga, B. and Cadonati, L. and Calaprice, F. and Cecchet, G. and Chen, M. and DiCredico, A. and Dadoun, O. and D'Angelo, D. and Derbin, A. and Deutsch, M. and Elisei, F. and Etenko, A. and von Fei-litzsch, F. and Fernholz, R. and Ford, R. and Franco, D. and Freudiger, B. and Galbiati, C. and Gatti, F. and Gazzana, S. and Giammarchi, M. G. and Giugni, D. and Goeger-Neff, M. and Goretti, A. and Grieb, C. and Hagner, C. and Har-ding, E. and Hartmann, F. X. and Heusser, G. and Ianni, A. and Ianni, A. M. and de Kerret, H. and Kiko, J. and Kirsten, T. and Kobychev, V. and Korga, G. and Korschinek, G. and Kozlov, Y. and Kryn, D. and Lamblin, J. and Laubenstein, M. and Lendvai, C. and Litvinovich, E. and Lombardi, P. and Machulin, I. and Malvezzi, S. and Maneira, J. and Manno, I. and Manuzio, D. and Manuzio, G. and Masetti, F. and Martemianov, A. and Mazzucato, U. and McCarty, K. and Me-ro-ni, E. and Miramonti, L. and Monzani, M. E. and Muratova, V. and Musico, P. and Niedermeier, L. and Oberauer, L. and Obolensky, M. and Ortica, F. and Pallavicini, M. and Papp, L. and Perasso, L. and Pocar, A. and Raghavan, R. S. and Ranucci, G. and Razeto, A. and Sabelnikov, A. and Salvo, C. and Scardaoni, R. and Schimizzi, D. and Schoenert, S. and Simgen, H. and Shutt, T. and Skorokhvatov, M. and Smirnov, O. and Sonnenschein, A. and Sotnikov, A. and Su-kho-tin, S. and Tarasenkov, V. and Tartaglia, R. and Testera, G. and Vignaud, D. and Vogelaar, R. B. and Vyrodov, V. and Woj-cik, M. and Zaimidoroga, O. and Zuzel, G.},
    journal = {ðÉÓØÍÁ × öüôæ},
    volume = {78},
    issue = {5},
    pages = {707},
    year = {2003},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_589.shtml},
}