Complex sentence: From 1964 to 1965 was a research assistant for Professor Maarten Bos regarding international law at the University of Utrecht in the Netherlands In that same year he conducted a study on Recognition of States and Government.
Split into simpler sentences: From 1964 to 1965 was a research assistant for Professor Maarten Bos regarding international law at the University of Utrecht in the Netherlands. In 1964 conducted a study on Recognition of States and Government.