Previous Article Next Article Table of Contents Advanced Materials, Vol.9, No.9, 711-713, 1997 DOI10.1002/adma.19970090905 Export Citation A ferrocene crown ether functionalized polypyrrole film electrode for the electrochemical recognition of barium and calcium cations Ion A, Ion I, Popescu A, Ungureanu M, Moutet JC, SaintAman E Please enable JavaScript to view the comments powered by Disqus.