August 18, 1979 23 See for example N Verma, "Materials and Technology for Rural Building", Seminar on Technology for Rural Development, Allahabad Polytechnic, Allahabad, 1977. For an enlightened appreciation of the need for a search for lower cost techniques, see United Nations, "Poverty, Unemployment, and Development Policy: A Case Study of Selected Issues with Reference to Kerala", 1975, Annex V "Alternative Building Technologies for Low-Cost Housing".