Radiative transition probabilities and lifetimes for the band systems (1) (3)Pi-X (3)Sigma(-) and (2) (3)Sigma(-)-X (3)Sigma(-) of the isovalent molecules BeC, MgC, and CaC - Pelegrini, Marina; Roberto Neto, Orlando; Ornellas, Fernando Rei; Machado, Francisco Bolivar Correto (Chemical Physics Letters, 2004)