WASET
Cortés, M. , Vera, E. , Rojas, O. (2014), 'Evaluation of Corrosion Caused by Biogenic Sulfuric Acid (BSA) on the Concrete Structures of Sewerage Systems (Chemical Tests)', World Academy of Science, Engineering and Technology, Open Science Index 95, International Journal of Civil and Environmental Engineering, 8(11), 1116 - 1120.