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
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.