How many movies have Ivo Knotek and Libuše Konečná collaborated on?

They have worked on 3 movies together! Their first movie together was Experiment (1981) and was their highest rated movie together. They have not worked together since Plamen a dým aneb Tajné lásky a veřejné omyly poštovního úředníka V. V. (1983). They are most known for their drama films together.