Trotter J., Robert. Aggression: A Way of Life for the Qolla : An Ethnographer suggests that a physiological problem - Hypoglycemia may be the basis for a psychological problem - Hyperaggressivity. - s.l. : s.e, s.f.. - 2 p. : il. ; 28 cm. Fotocopia. Artículo de revista. Dewey Class. No.: 305.8