Settleability Problems and Loss of Solids in the Activated Sludge Process Autor Michael H Gerardi 8 oct 2002 Paperback Preț: 515.01 lei 559.78 lei 6-8 săpt. -8%
The Biology and Troubleshooting of Facultative Lagoons Autor Michael H Gerardi et al. 30 mar 2015 Paperback Preț: 573.15 lei 622.99 lei 6-8 săpt. -8%
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Microscopic Examination of the Activated Sludge Process Autor Michael H Gerardi iul 2008 Paperback Preț: 497.88 lei 541.17 lei 6-8 săpt. -8%
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