How many movies have Mária Ďuríčková and Zdeněk Liška collaborated on?

They have worked on 3 movies together! Their first movie together was Siroty (1974) while their highest rated movie together was Vodník a Zuzana (1974). They have not worked together since And I'll Run to the Ends of the Earth (1980). They are most known for their family films together.