Representing employee interests: trade union systems within the EU - Dorssemont, Filip; Markova, Plamenka; Kombos, Constantinos; Lokiec, Pascal; Kocher, Eva; Ferraro, Giuseppe; La Macchia, Carmen; Swiatkowski, Andrzej; Ewing, Keith D.; Ticlea, Alexandru; Baylos Grau, Antonio; Carlson, Laura (Albacete, 2013)