E-mail address request

To enhance author privacy, SSRN uses software to prevent mechanical harvesting
of email addresses. Anonymous users are allowed 3 email address requests each day.
Here are the email address(es) you requested:

Emilio Congregado
  University of Huelva   congregado@uhu.es

José María Millán
  University of Huelva   grotem@hotmail.com

Concepción Román
  University of Huelva   concepcion.roman@dege.uhu.es