Arrigan, D. W., Cowell, D. C., Hart, J. P., Honeychurch, K. C., Honeychurch, K. C., Hart, J. P., …Arrigan, D. W. (2001). Voltammetric studies of lead at calixarene modified screen-printed carbon electrodes and its trace determination in water by stripping voltammetry. Sensors and Actuators B: Chemical, 77(3), 642-652. https://doi.org/10.1016/S0925-4005%2801%2900778-X