FEACHEM, Richard Feachem, Richard Cairncross, Sandy
Small excreta disposal system / [by] Richard Feachem and Sandy Cairncross - London The Ross Institute of Tropical Hygiene 1978 - x, 53 p.
Includes reference & glossary.
Disposal systems
614 / FEA
Small excreta disposal system / [by] Richard Feachem and Sandy Cairncross - London The Ross Institute of Tropical Hygiene 1978 - x, 53 p.
Includes reference & glossary.
Disposal systems
614 / FEA