@PHDTHESIS{costa1993,
url = "
		http://www.theses.fr/1993PA100037",
title = "Le crédit documentaire irrévocable",
author = "Costa, Ligia Maura",
year = "1993",
pages = "1 vol. (456 f.)",
note = "Thèse de doctorat dirigée par Lesguillons, Henry Droit public Paris 10 1993",
note = "1993PA100037",
}