TY  - BOOK
AU  - 
AU  - 
TI  - Water supply and wastewater disposal: international almanac = Wasserversorgung und Abwasserbeseitigung / 
SN  -  9783802724374
AV  - TD345.K47 1978 
PY  - 1976///
CY  - Essen
PB  - Vulkan-Verlag
N1  - previously published in 1978; includes bibliographies and index
UR  - uniform resource identifier.
ER  -