@incollection{:/content/books/9789213633410s007-c007, author = "United Nations", title = "Selected legal opinions of the Secretariats of the United Nations and related intergovernmental organizations", booktitle = "United Nations Juridical Yearbook 1978", publisher = "United Nations", year = "1978", pages = "162-205", url = "https://www.un-ilibrary.org/content/books/9789213633410s007-c007" }