Design and operation of septic tanks: third European seminar for sanitary engineers World Health Organization, Geneva.

Third European Seminar for Sanitory engineers, 27 October-1 November, 1952, London

Design and operation of septic tanks: third European seminar for sanitary engineers World Health Organization, Geneva. - Geneva World Health Organization 1953 - 122p. 24cm.

628.742 / E81D
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