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In this paper, we demonstrate that the electrocardiogram (ECG) can be used as a biometric. While previous studies have shown the potential of an ECG biometric, this research demonstrates it under conditions that include intra-individual variations and a simple user interface, consisting of electrodes held on the pads of the subject's thumbs. ECG person… (More)
Chemical investigations of the Caribbean ascidian Lissoclinum fragile (Didemnidae) have resulted in the isolation of new alkaloids which we have designated eudistomin U  and isoeudistomin U . Their structures were determined by spectrometric and chemical means.
(1991). Usability testing of a graphical programming system: Things we missed in a programming walkthrough.