Electrical resistivity of the quasi-two dimensional diphosphate tungsten bronzes K(P2O4)2(WO3)2m, m = 8 J. Dumas, H. Devlin, C. Schlenker et 0. Perez J. Phys. IV France, 12 9 (2002) 93-94 DOI: 10.1051/jp4:20020367