1. Brockmeier, K., Schmidt, S., Kreiseler, D., Trahms, L., Schmitz, L., Oeff, M., andHahlbohm, H. D. (1994): ‘Fragmented ventricular depolarisation in the QRS complex of the magnetocardiogram after filtering with binomial non-recursive filters’,in ‘Computers in cardiology’ (IEEE Computer Society Press) pp. 685–687
2. Cain, M. E., Ambos, H. D., andLindsay, B. D. (1987): ‘Fast Fourier transform analysis of the signal averaged electrocardiogram in the management of patients with or prone to ventricular tachycardia or fibrillation’in Brugada, P., andWellems, H. J. J. (Eds.): ‘Cardiac arrhythmia: Where to go from here?’ (Futura Publishing Company, Mount Kisko, NY) pp. 311–328
3. DIN Beuth-Verlag: DIN 45667 (1969): ‘Klassierverfahren für das Erfassen regelloser Schwingungen (Classification methods for evaluation of random vibrations)’, pp. 1–4
4. Drung, D., Zimmermann, R., Cantor, R., Erné, S. N., Koch, H., Matthies, K. P., Peters, M., Scheer, H. J., andStollfuss, D. (1991): ‘A 37-channel DC SQUID magnetometer system’,Clin. Phys. Physiol. Meas.,12, (suppl. B), pp. 21–29
5. Erné, S. N., Hahlbohm, H.-D., Scheer, J., andTrontelj, Z. (1981): ‘The Berlin magnetically shielded room. B: Performances’,in Erné, S. N., Hahlbohm, H.-D., andLübbig, H. (Eds.): ‘Biomagnetism 1981’ (DeGruyter, Berlin) pp. 79–87