Maybe take a look at our new volume Housing Policy in Latin American Cities (Routledege) available in paperback and e-version. Discusses rehab at micro and meso levels.
There is a book published in 2010 called: " Parasite Architecture. Recycling strategies for the contemporary city", written by Sara MArini. It might interest you.
Very interesting question, I`m developing my PhD research about Micro-urbanism from a bioclimatic adaptations in housing points of view. If you want to keep in touch, my email is [email protected]. Thanks a lot to Bimo, Peter and Alfonso for the links and references. Alfonso do you know how I could download the thesis from Sara MArtini, is on this link: http://ecum.unicam.it/68/