Analysis of an advisor-advisee relationship: an Exploratory Study of the Area of Exact and Earth Sciences in Brazil - Fernandez Tuesta, Esteban; Delgado, Karina Valdivia; Mugnaini, Rogério; Digiampietri, Luciano Antonio; Mena-Chalco, Jesús Pascual; Pérez Alcázar, José de Jesús (PLoS One, 2015)