TY  - JOUR 
T1  - Effect of hydraulic retention time on up-flow anaerobic stage reactor performance at constant loading in the presence of antibiotic tylosin
JO  - Brazilian Journal of Chemical Engineering
A1  - Chelliapan, S.
A1  - Wilby, T.
A1  - Sallis, P. J.
SN  - 0104-6632
UL  - 10.1590/S0104-66322011000100007
VL  - 28 
Y1  - 2011
PB  - Brasil 
ER  -