Planning and development of recreational areas including the development of the natural environment Vol. 2 - proceedings of the Seminar organized by the Committee on Housing, Building and Planning of the United Nations Economic Commission for Europe and held in France and Luxembourg, 27 April - 10 May 1969

Förlag	År	Ort	Om boken	ISBN
United Nations	1969	USA, New York	S. 183-371 diagr, ill., tab.