Experiências E Vivências Dos Trabalhadores Da Companhia De Materiais Sulfurosos S.A - MATSULFUR De Montes Claros – MG (1969-1994) * Experiences and Habits of Living of Workers at MATSULFUR Cement Company in the Town of Montes Claros - Brazil (1969-1994). Semina 2014, 13 (1).