http://globalarbitrationreview.com/news/article/30197/peru-faces-second-claim-transmission-line/ (requires subscription)
http://globalarbitrationreview.com/news/article/31815/peru-claim-continues-half-power/ (requires subscription)
http://globalarbitrationreview.com/news/article/32533/peru-settles-trio-power-line-claims/ (requires subscription)