@misc{indiciae6cec89489488, title = {Hydrophilic sensor membrane based on cation-selective protic chromoionophore.}, author = {C Krause and T Werner and C Huber and O S Wolfbeis}, year = {2000}, doi = {10.1007/s002160000390}, url = {https://pubmed.ncbi.nlm.nih.gov/11227470/}, note = {Source identifier: 11227470} }