TY  - RPRT
TI  - Is the first really the first?
AU  - M De Barrio
AU  - J M Zubeldia
PY  - 2004
DO  - 10.1111/j.1398-9995.2004.00445.x
UR  - https://pubmed.ncbi.nlm.nih.gov/15291912/
ID  - 15291912
ER  -