Building materials for low-income housing Asian and Pacific Region : proceedings of a symposium held at the United Nations Building in Bangkok, Thailand from 20 to 26 January 1987 and organized by ESCAP, RILEM and CIB in cooperation with UNIDO, UNCHS and UNESCO, the Asian Institute of Technology (AIT), the National Housing Authority (NHA) and the Thailand Institute of Scientific and Technological Research (TISTR). (E. & F.N. Spon, 1987)