-
1by Kvitek, Rikk G., Goldberg, Judah D., Smith, G. Jason, Doucette, Gregory J., Silver, Mary W.
Published 2008article bibliotecaUNESCO -
2by Martin, John, H., Knauer, George, A., Broenkow, William, Bruland, Kenneth, W., Karl, David, M., Small, Lawrence, F., Silver, Mary, W., Gowing, Marcia, M.
Published 1983monograph bibliotecaUNESCO