Remanent magnetization of disordered antiferromagnets at very low magnetic fields: 'MN IND.1-X''ZN IND.X''F IND.2', 'K IND.2''FE IND.1-X''IN IND.X''CL IND.5''*''H IND.2'o and 'K IND.2''FE'' ('cl ind.X''br ind.X') IND.5'*'H IND.2'o - Fries, T; Shapira, Y; Paduan-Filho, Armando; Becerra, Carlos Castilla; Palacio, F (Journal of Physics: Condensed Matter, 1993)