15 articles in this issue
W. V. Quine
Joaquín Barceló L.
Humberto Giannini
Alfonso Gómez-Lobo
Jorge Oscar Velásquez
Carlos Miranda
William Thayer M.
Francisco Barbieri
Marcos Garcia de la Huerta I.
Jersy Pelc
David Price
Breno Onetto
Ernesto Evans
Maritza Téllez
Angela Bravo