@article{article7e779525,
title   = {Liquid-phase mass transfer in fixed-bed of polyurethane foam matrices containing immobilized anaerobic sludge},
author = {Zaiat, M and Vieira, L G T and Foresti, Eugênio},
year = {1996},
doi = {10.1007/bf00765194},
journal   = {Biotechnology Techniques}
}