"septic tanks,and aqua-privies from ferrocement: / s.b. watt"
By: "watt, s b. ".
Material type:
BookPublisher: uk : russel press 1984Edition: 1 ed.Description: "x, 97p.; 21 cm.".ISBN: 0 903031 95 7.Subject(s): --DDC classification: 628. 742 wat
BookPublisher: uk : russel press 1984Edition: 1 ed.Description: "x, 97p.; 21 cm.".ISBN: 0 903031 95 7.Subject(s): --DDC classification: 628. 742 wat
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