Citation: Susana Mart\'in; M. Gotzone Barandika; Luis Lezama; J. Luis Pizarro; Zurine E. Serna; J. Ignacio Ruiz de Larramendi; M. Isabel Arriortua; Te\'ofilo Rojo; Roberto Cort\'es (2001). Weak M(II)-Azide-4,4'-Bipy Ferromagnets Based on Unusual Diamondoid (M = Mn) and 2D Arrays (M = Co, Ni). Inorganic Chemistry, 40, pp. 4109-4115.