T. Tvedt,
«A journey in the history of water. Part I. The struggle; Part II. The energy». Centre for Development Studies, University of Bergen, Bergen, Norway, p. Video (2x45 min.) : PAL (European) or NTSC (American), 2002.
T. Tvedt,
«A journey in the history of water. Part III. The myths; Part IV. The conflicts». Centre for Development Studies, University of Bergen, Bergen, Norway, p. Video (2x45 min.) : PAL (European) or NTSC (American), 2002.