@article{2001:nanclares:the_federa,
title = {The FEDERAL ELEMENTS of the European Union},
year = {2001},
note = {},
journal = {ZEuS Zeitschrift für Europarechtliche Studien},
pages = {595--625},
author = {Nanclares, José Martín y Pérez de},
volume = {4},
number = {4}
}