TY - BOOK AU - Rybczynski, W. AU - McGarry, M. Polprasert, C. TI - Low-cost technology options for sanitation : a state-of-the-art review and annotated bibliography SN - 088936155X PY - 1978/// CY - Ottawa PB - International Development Research Centre KW - Sanitary engineering--Bibliography Sanitary engineering--Developing countries ER -