>My work looks at new construction methods and techniques, viewing
>them as innovations. I am then wanting to understand how these are
>informally communicated, either at industry, organization or project
>level, and how this can affect their adoption or rejection etc.
Look in the in the MIS journals (and to a lesser extent management
journals) under diffusion of innovation/adoption of innovation
literature. You will see examples of adoption of medical practices,
adoption of software innovation, technology innovation, etc. where
they look at the source(s) of contact and spread of adoption.