@inproceedings{inproceedings694a425e,
title   = {Comparative performance of cstr and internal solids recycling reactor for sewage sludge anaerobic treatment},
author = {Vitoratto, Elso and Schmidell Netto, Willibaldo},
year = {1991},
publisher = {Finep},
booktitle   = {International Symposium on Anaerobic Digestion}
}