Citation: Mira, J.; Ruiz-Valero, C.; Rasines, I.; Campa, J.A.; Rivas, J.; Monge, M.A.; Cascales, C.; Gutierrez-Puebla, E. (1995). Crystal structure and magnetic properties of Co R (B O2)5 (R= Y, Gd) and Ni R (B O2)5 (R= Nd, Gd). Journal of Alloys Compd., 225, pp. 225-229.