TY  - GEN
ED  - European Seminar for Sanitary engineers (3rd : 1952 : London).
TI  - Design and operation of septic tanks : proceedings [of the] Seminar held in London, england, 27 October - 1 November 1952
T2  - (WHO monograph series ; no. 18)
SN  - 92-4-140018-8
PY  - 1953///
CY  - Geneva : 
PB  - World Health Organization
KW  - Sewage
KW  - Europe
KW  - Congresses
KW  - Refuse disposal
ER  -