1. P.N. Bums, J.E. Powers, D. Hope Simpson, A. Brezina, A. Kolin, CT. Chin, V. Uhlendorf, T. Fritzsch, Harmonic power mode doppler using microbubble contrast agents: an improved method for small vessel flow imaging, Proceedings 1994 IEEE Ultrasonics Symposium, p. 1547 (1994).
2. B.B. Goldberg, F. Forsberg, T. Fritzsch, J.B. Liu, D.A. Merton, Induced acoustic emision as a contrast mechanism for detection of hepatic abnormalities, J. Ultrasound Med. 14:S7 (1995), T. Fritzsch, P. Hauff, D. Heldmann, F. Lüders, M. Reinhardt, V. Uhlendorf, W. Weitschies, A new tumour-specific imaging method based on acoustic emission, (in preparation).
3. V. Uhlendorf, C. Hoffmann, Nonlinear acoustical response of coated microbubbles in diagnostic ultrasound, Proceedings 1994 IEEE Ultrasonics Symposium, p. 1559 (1994).
4. C. Hoffmann, Die mechanischen Eigenschaften von kleinen Hohlkugeln in Wasser und deren Verhalten unter Einwirkung diagnostischer Ultraschajlwellen, Thesis (in German), Technische Universität Berlin 1994, Shaker, Aachen (1995).
5. V. Uhlendorf, Physics of ultrasound contrast imaging: scattering in the linear range, IEEE Trans. UFFC 41:70 (1994).