The United Nations Research Institute for Social Development (UNRISD) has published two papers relevant to indigenous peoples under the heading of "Identities, Conflict and Cohesion".

The papers are:
Natural Gas, Indigenous Mobilization and the Bolivian State

Transnational Governmentality and Resource Extraction: Indigenous Peoples, Multinational Corporations, Multinational Institutions and the State.

Both papers can bee downloaded from the UNRISD website.
Download is free, but requires user registration.