Army:10.1209/0295-5075/26/2/004
Army:10.1209/0295-5075/79/30003
Army:10.1209/0295-5075/87/47007
Army:10.1209/0295-5075/90/10009
Army:10.1209/0295-5075/94/38005
Army:10.1209/0295-5075/97/48002
Army:10.1209/0295-5075/111/58003
Army:10.1209/0295-5075/114/40007