[Loops] loop papers - ideal MHD and dark lanes

[Andrea Costa]

Dear all,

let me know your opinion about these papers

http://adsabs.harvard.edu/doi/10.1111/j.1745-3933.2009.00769.x
http://adsabs.harvard.edu/doi/10.1111/j.1365-2966.2009.15549.x

thanks, sincerely
andrea