1. La flexión nominal: Género y número;Ambadiang,1999
2. The morphophonemics of gender in Spanish;Anderson;Lingua,1961
3. Morphology by Itself: Stems and Inflectional Classes;Aronoff,1994
4. The semantics of gender contrasts in Spanish;Bergen;Hispania,1980
5. Morphological structure and phonological domains in Spanish denominal derivation;Bermúdez-Otero,2006