Escritt.L.B. Sewers &Sewage Works With Metric Calcu.&Formulae - 1st Ed. - Gorge Allen & Unwin Ltd, London. 1972 - 256p. 22 cm. Text in English Subjects--Facted Index Terms: CIVI Index Terms--Genre/Form: C-12 Dewey Class. No.: 25D-345 / ESC