Bolivar Moura Rocha 
Development Financing and Changes in Circumstances [PDF ebook] 
The Case for Adaptation Clauses

First published in 1999. This study starts with the reasons underlying that apparent bias of loan agreements to which developing country borrowers were parties and then develops to look at the issue of the potential benefits of having documentation evidencing developing country indebtedness provide for contractual relief for borrowers in case of adverse changes in circumstances.