Balancing openness and coherence of enhanced cooperation: The principle of coherence affirmed by drawing its outer limits: Spain v. Parliament and Council (Eurosur) - Common Market Law Review View Balancing openness and coherence of enhanced cooperation: The principle of coherence affirmed by drawing its outer limits: Spain v. Parliament and Council (Eurosur) by - Common Market Law Review Balancing openness and coherence of enhanced cooperation: The principle of coherence affirmed by drawing its outer limits: Spain v. Parliament and Council (Eurosur) 54 3 Common Market Law Review