Magnetic properties of 'CU IND.2''ZN IND.1-X''MN IND.X'ge'S IND.4': antiferromagnetic interactions in the wurtz stannite structure - Shapira, Y; Mcniff Junior, E J; Oliveira Jr., N. F.; Honig, E D; Dwight, K; Wold, A (Physical Review B, 1988)