Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Vulnerability index:

This text has been unreferenced on Wikipedia for a very long time. If you can't find a source, be bold and remove it!

"

In a 1999 Technical Report for SOPAC, Kaly et al. discussed more focused vulnerability indexes. A subsection of that report was entitled "Vulnerability index – environment" and the report also discussed the concept of "Environmental vulnerability index".[citation needed]