Impurity-induced magnetic anomalies in the slightly diluted low anisotropy ''A IND.2''Fe IND.1-X''In IND.X''Cl IND.5'. 'H IND.2 O'', (A=K, Rb) antiferromagnets: an overview - Palacio, F; Campo, J; Moron, M C; Paduan-Filho, Armando; Becerra, Carlos Castilla (Internacional Journal of Modern Physics B, 1998)