Magnetization steps in 'Mn IND.0.084' 'Zn IND.0.916' 'F IND.2': exchange constant and 'Mn' distribution - Gratens, X; Bindilatti, Valdir; Haar, Ewout ter; Oliveira Jr., N. F.; Shapira, Y; Montenegro, F C (Encontro Nacional de Física da Matéria Condensada, 2001)