1. Dees, J. E.: cit. Int. Symp. on Urolithiasis Research, Davos, Switzerland 1976. Plenum Press, New York 1976, p. 541.
2. Gotchev, D., Moneva-Antonova, L., Mladenov, I.: Polymeric pyelotomy (Experimental studies).Int. Urol. Nephrol., 11, 279 (1979).
3. Nagy, Z., Frang, D., Götz, F., Hübler, J.: Fibrin pyelolithotomy for the extraction of multiple renal calculi.Urol. Nephrol. Szle, 8, 224 (1981).
4. Nagy, Z., Jávor, A., Götz, F., Szatmári, J., Vizi, L., Kovács, G., Frang, D.: Use of a macromolecular hydrophilous binding material for the extraction of multiple renal calculi. Scientific Meeting of the Hungarian Association of Urologists, April 1982, Budapest.