@incollection{Stoytcheva11, author = {Margarita Stoytcheva and Roumen Zlatev and Zdravka Velkova and Benjamin Valdez}, title = {Organophosphorus Pesticides Determination by Electrochemical Biosensors}, booktitle = {Pesticides}, publisher = {IntechOpen}, address = {Rijeka}, year = {2011}, editor = {Margarita Stoytcheva}, chapter = {15}, doi = {10.5772/13690}, url = {https://doi.org/10.5772/13690} }