@article{SchoeningThustVetteretal.2006, author = {Michael Josef Sch{\"o}ning and M. Thust and J. Vetter and P. (u.a.) Kordos}, title = {A long-term stable penicillin-sensitive potentiometric biosensor with enzyme immobilized by heterobifunctional crosslinking}, pages = {115 -- 121}, year = {2006}, }