Magnetic characterization of the sawtooth-lattice olivines 'ZnL IND.2' 'S IND.4' (L=Er,Tm,Yb) - Lau, G C; Ueland, B G; Freitas, Rafael Sá de; Dahlerg, M L; Schiffer, P; Cava, R J (Physical Review B, 2006)