por Brock, Timothy C, 1935- [editor] | Ostrom, Thomas M, 1936- [editor] | Petty, Richard E [editor].
por Shavitt, Sharon, 1959- [editor] | Brock, Timothy C, 1935- [editor].
por Greenwald, Anthony G [autor] | Brock, Timothy C, 1935- [editor] | Ostrom, Thomas M, 1936- [autor].