Tug-Of-War, Yanomamo

written by Napoleon A. Chagnon, 1938- and Timothy Asch, 1932-1994; directed by Napoleon A. Chagnon, 1938- and Timothy Asch, 1932-1994; produced by Napoleon A. Chagnon, 1938- and Timothy Asch, 1932-1994, in Yanomamö (Watertown, MA: Documentary Educational Resources (DER)), 8 mins