Online first Articles http://journal15.magtechjournal.com/Jwk3_hxs_new/hxxb EN-US http://journal15.magtechjournal.com/Jwk3_hxs_new/hxxb/EN/0567-7351/current.shtml http://journal15.magtechjournal.com/Jwk3_hxs_new/hxxb 0567-7351