TY  - BOOK
AU  - Hansen,J.A.
AU  - Therkelsen,H.H.
AU  - Buch-Hansen,P.
TI  - Appraisal of four alternative excreta removal systems for urban areas in developing countries
PY  - 1978///
CY  - [Oxford]
PB  - Pergamon Press
KW  - Sewage disposal
KW  - Developing countries
ER  -