1.
Brasília; INCA; 2 ed rev. atual; 2010. 536 p. tab.
Monography
in Portuguese
| LILACS
| ID: lil-618906
2.
San Salvador; s.n; ene.-dic. 1985. 12 p. tab.
Non-conventional
in Spanish
| LILACS
| ID: lil-375595