Housing; building; planning; building research; housing and building industry; cement position; fire resistance; building materials; building cost; thermal building problems; stability; strength; investment; statistics; rural housing; housing management; productivity; miner's housing; lifetime of a house; sanitary conditions; bye-law and regulation; european housing policy; building contract; placing of orders; housing in less industrialized countries; urban renewal; government policy; private financing; housing trend; metropolitan planning; air pollution; land prices; urban development; quality of dwelling buildings; housing for the Eldery; maintenance operations; exchange of technical information; urban and rural settlement; nature preservation; urban transportation; subsidies and fiscal problems; ecology; technology progresses; quality of life; World Health Organization (WHO); Office of Social Affairs; Division of Social Activities; UNEP/HABITAT; Communauté économique européenne; ILA; ESCAFE; CECA; Economic Commission for Africa (ECA); ECLA; UNESCO; UNIDO; Hochschule für Gestaltung Ulm; UN Research Institute for Social Development (UNRISD); International Economic Association; UN Economic and Social Office Beirut; International Society of City and Regional Planners (Association Internationale des Urbanistes); Groupe International de Coopération et de Recherche en Documentation Paris; Fondation européenne de la Culture; Regional Centre for Documentation in Housing, Building and Planning; UN Habitat and Human Settlements Foundation; Economic Working Party of the ECE; Housing Sub-Committee; Technical WG of Housing and Town and Country Planning; Council of Europe; International Council of Building; International Council for Building Constituent Assembly; International Union of Local Authorities; International Federation for Housing and Town Planning; International Confederation of Free Trade Unions; Standing Committee on Urban Renewall; International Union of Family Organizations; European Association for the Study of the Refugee Problems (EAR); Inter-Agency WP on Housing and related Community Facilities; Informal Mediterranean Housing Group; Administrative Committee on Coordination; UN Conference on Service and Technology; National Physical Planning and Construction Institute in Ireland; Council of Mutual Economic Assistance (CMEA); Working Group for the Promotion of International Co-operation in the field of Urban and Regional Studies; Housing Committee; Committee on Housing, Building and Planning; Trust Fund for Urban Regional Research; UN/ECOSOC Commission on Human Settlements; Ad Hoc Group of Experts on the Impact of Energy Considerations on Human Settlement Policies; Ad Hoc Group of Experts on Energy Conservation in Building; Mr Schindler; Dr Lloyd Rodwin; Mr Reiner.