1. Schreiner G, Mohr-Kahaly S, Erbel R, Meyer J: Echoventrikulographie mittels Gelifundol anstelle der Kineventrikulographie. In: Erbel R, Meyer J, Brennecke R (eds) Fortschritte der Echokardiographie: Springer Verlag, Berlin, Heidelberg, New York, Tokyo, 1985, pp 153–157
2. Erbel R, Schweitzer P, Lamberts H, Henn G, Meyer J, Krebs W, Effert S: Echoventriculography —a simultaneous analysis of two-dimensional echocardiography and cineventriculography, Circulation 67: 205–215, 1983
3. Brennecke R, Hahne HJ, Wessel A, Heintzen PH: Computerized enhancement techniques for echocardiographic sector scans. Computers in Cardiology, IEEE Computer Society: 9–11, 1982
4. Lange PE, Seiffert PA, Pries F, Wessel A, Onnasch DGW, Hahne HJ, Heintzen PH: Value of image enhancement and injection of contrast medium for right ventricular volume determination by two-dimensional echocardiography in congenital heart disease. Am J Cardiol 55: 152–157, 1985
5. Meltzer RS, Roelandt J (eds): Contrast echocardiography, Martinus Nijhoff Publishers, The Hague, Boston, London, 1982