1. Winter UT, Behrenbeck DW, Brill Th, Höher M, Hombach V, Hilger HH (1985) Value and limitations of the Holter functions of a single chamber diagnostic pacemaker (this volume)
2. Winter UJ, Höher M, Behrenbeck DW, Liertz KP, Missler T, Hilger HH (1985) Determination of the endocardial signal amplitude in single chamber demand pacemakers: comparison of two measurement methods (this volume)
3. Barold SS, Ong LS, Falkoff MD, Heinle RA (1982) Programmable pacemakers: clinical indications, complications and future directions. In: Barold SS, Mugica J (eds) The third decade of cardiac pacing. Futura Publishing Co, New York, pp 27–76
4. Starke ID (1978) Long-term follow-up of cardiac pacing threshold using a noninvasive method of measurement. Br Heart J 40: 530–533
5. Furman S, Hurzeler Ph, Mehra R (1977) Cardiac pacing and pacemakers IV: threshold of cardiac stimulation. Am Heart J 94/1: 115–124