IV. REQUIREMENTS ON MODIFIED WORKS
All modified versions of documents covered by this license, including translations, anthologies, compilations and partial documents, must meet the following requirements:
- The modified version must be labeled as such.
 - The person making the modifications must be identified and the modifications dated.
 - Acknowledgement of the original author and publisher if applicable must be retained according to normal academic citation practices.
 - The location of the original unmodified document must be identified.
 - The original author's (or authors') name(s) may not be used to assert or imply endorsement of the resulting document without the original author's (or authors') permission.