by Shevchenko, O.A., Krooshoop, H.J.G., ten Kate, H.H.J., Grunblatt, G., Shevchenko, A.A., Kolesnitchenko, A.F., Sidorenko, V.D., Grytsina, A.E., Lysenko, V.V., Scherbakov, V.I., Anashkin, O.P., Keylin, V.E.
Published in IEEE transactions on applied superconductivity (01.03.2000)