http://www.haguejusticeportal.net/index.php?id=9285
https://www.asil.org/blogs/international-court-justice-removes-aerial-herbicide-spraying-ecuador-v-colombia-court%E2%80%99s-list
http://www.internationallawobserver.eu/2013/09/19/aerial-herbicide-spraying-ecuador-v-colombia-case-removed-from-the-courts-list-at-the-request-of-the-republic-of-ecuador/
https://www.asil.org/blogs/international-court-justice-removes-aerial-herbicide-spraying-ecuador-v-colombia-court%E2%80%99s-list
http://www.internationallawobserver.eu/2013/09/19/aerial-herbicide-spraying-ecuador-v-colombia-case-removed-from-the-courts-list-at-the-request-of-the-republic-of-ecuador/