@article{ferreira_giordano_giordano_2004, title={Improving selectivity and productivity of the enzymatic synthesis of ampicillin with immobilized penicillin G acylase}, volume={21}, ISSN={0104-6632}, url={https://doi.org/10.1590/S0104-66322004000400002}, DOI={10.1590/S0104-66322004000400002}, number={4}, journal={Brazilian Journal of Chemical Engineering}, publisher={Brazilian Society of Chemical Engineering}, author={Ferreira, A. L. O. and Giordano, R. L. C. and Giordano, R. C.}, year={2004}, month={Oct}, pages={519–529} }