Open Physics
Open Physics > 2004 > 2 > 4 > 687-697
Open Physics > 2005 > 3 > 1 > 69-76
Open Physics > 2007 > 5 > 4 > 599-610
Open Physics > 2008 > 6 > 1 > 84-96
Open Physics > 2008 > 6 > 3 > 754-758
Open Physics > 2004 > 2 > 4 > 687-697
Open Physics > 2005 > 3 > 1 > 69-76
Open Physics > 2007 > 5 > 4 > 599-610
Open Physics > 2008 > 6 > 1 > 84-96
Open Physics > 2008 > 6 > 3 > 754-758