@article{CC_2010_39_3_a14,
     author = {Alonso-Meijide, J. M. and Casas-M\'endez, B. and Fiestras-Janeiro, M. G. and Holler, M. J.},
     title = {Two variations of the {Public} {Good} {Index} for games with a priori unions},
     journal = {Control and Cybernetics},
     pages = {839--855},
     publisher = {mathdoc},
     volume = {39},
     number = {3},
     year = {2010},
     zbl = {1310.91021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CC_2010_39_3_a14/}
}