He has published a number of books on international cooperation.

I would also like to say a word on regional cooperation.

The question is whether we can count on your cooperation.

He also insisted on greater cooperation among the military services.

I should like to end by making two comments on international cooperation. The world is no longer what it was.

That is the problem with what was finally agreed on closer cooperation.

But I'm with you on cooperation - from both sides.

The question should instead be whether or not we can rely on the Council's cooperation.

The two countries signed an agreement on increased cooperation in the field of health.

A word in conclusion on cooperation between our two institutions.