TY - CHAP T1 - Ecology of Intermediation UR - http://dx.doi.org/10.4337/9781847202956.00021 PY - 2006/01/01 AU - Medd W AU - Marvin S ED - DO - DOI: 10.4337/9781847202956.00021 PB - Edward Elgar Publishing Y2 - 2025/01/08 ER -