470501 Seminar on the Preservation and Rehabilitation of Historic Districts, T. a. M. i. S. D. C. a. T. R. t. D. C. (. :. A., & (Habitat), U. N. C. f. H. S. (1989). Preservation and rehabilitation of historic districts towns and monuments. Nairobi, Kenya : United Nations Centre for Human Settlements.

470501 Seminar on the Preservation and Rehabilitation of Historic Districts, Towns and Monuments in Some Developed Countries and Their Relevance to Developing Countries (1989 : Assenovgrad, and United Nations Centre for Human Settlements (Habitat). Preservation and Rehabilitation of Historic Districts Towns and Monuments. Nairobi, Kenya : United Nations Centre for Human Settlements, 1989.

470501 Seminar on the Preservation and Rehabilitation of Historic Districts, Towns and Monuments in Some Developed Countries and Their Relevance to Developing Countries (1989 : Assenovgrad, and United Nations Centre for Human Settlements (Habitat). Preservation and Rehabilitation of Historic Districts Towns and Monuments. Nairobi, Kenya : United Nations Centre for Human Settlements, 1989.