Free to read

Marcos von Sperling

2 free books by Marcos von Sperling.

Basic Principles of Wastewater Treatment
2007 (Volume 2, Biological Wastewater Treatment Series) · 2007 · Read at library.oapen.org ↗
Wastewater Characteristics, Treatment and Disposal
2007 (Volume 1, Biological Wastewater Treatment Series) · 2007 · Read at library.oapen.org ↗