1*4882a593SmuzhiyunCopyright 1992 by Jutta Degener and Carsten Bormann, 2*4882a593SmuzhiyunTechnische Universitaet Berlin 3*4882a593Smuzhiyun 4*4882a593SmuzhiyunAny use of this software is permitted provided that this notice is not removed and that neither the authors nor the Technische Universitaet Berlin are deemed to have made any representations as to the suitability of this software for any purpose nor are held responsible for any defects of this software. THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE. 5*4882a593Smuzhiyun 6*4882a593SmuzhiyunAs a matter of courtesy, the authors request to be informed about uses this software has found, about bugs in this software, and about any improvements that may be of general interest. 7*4882a593Smuzhiyun 8*4882a593SmuzhiyunBerlin, 15.09.1992 9*4882a593SmuzhiyunJutta Degener 10*4882a593SmuzhiyunCarsten Bormann 11