1.
Buenos Aires; UNLP; nov. 1997. 100 p. (14065).
Monography
in Spanish
| BINACIS
| ID: bin-14065
2.
Buenos Aires; UNLP; nov. 1997. 100 p.
Monography
in Spanish
| LILACS
| ID: lil-249965
3.
Tegucigalpa; s.n; 1985. 84 p. Ilus.
Thesis
in Spanish
| BIMENA
| ID: bim-4074