Open Physics
Open Physics > 2012 > 10 > 3 > 669-675
Open Physics > 2012 > 10 > 3 > 652-659
Open Physics > 2012 > 10 > 3 > 676-683
Open Physics > 2012 > 10 > 3 > 669-675
Open Physics > 2012 > 10 > 3 > 652-659
Open Physics > 2012 > 10 > 3 > 676-683