Internal and external interfaces: Some challenges in acquiring SER and ESTAR in L2 Spanish
Aoife Kathleen Ahern 
, José Amenós Pons 
, Pedro Guijarro Fuentes 

Interface vulnerability in bilingual grammars?: Spanish production of null and overt subjects in Basque-Spanish bilingual children and adults
Prosody and focus recognition in Spanish: A fresh look at the Focus Prominence Rule
The subject realization in L2 Spanish by German L1 speakers: A corpus study
Exploring interface phenomena: Confronting methodological challenges



