1.
Correo poblac
;
5(3): 10-4, sept. 1997. ilus
Article
in Spanish
| LILACS
| ID: lil-235491
2.
Correo poblac
;
5(2): 21-3, jun. 1997.
Article
in Spanish
| LILACS
| ID: lil-206537
3.
Correo poblac
;
4(4): 21-6, dic. 1996.
Article
in Spanish
| LILACS
| ID: lil-188838