IEEE Transactions on Applied Superconductivity
IEEE Transactions on Applied Superconductivity > 2006 > 16 > 2 > 985 - 987
IEEE Transactions on Applied Superconductivity > 2008 > 18 > 2 > 552 - 555
IEEE Transactions on Applied Superconductivity > 2010 > 20 > 3 > 680 - 683