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2. Basal, reflex, and psycho-emotional tears;Murube;Ocul Surf,2009
3. Hypotheses on the development of psychoemotional tearing;Murube;Ocul Surf,2009
4. Sophocles. Oidipous Tyrannos (Oedipus the King). 430 BC. Madrid: Ediciones Clásicas. Translator: Rodríguez Adrados
5. Euripides. Phoenissae. (411-409 BC). Translation in: R. Kannicht, Tragicorum Graecorum Fragmenta. Vol 5.1, Göttingen, 2004