1*4882a593SmuzhiyunCopyright: (c) 1991 Bell Communications Research, Inc. (Bellcore) 2*4882a593SmuzhiyunLicense: Bellcore 3*4882a593Smuzhiyun Permission to use, copy, modify, and distribute this material 4*4882a593Smuzhiyun for any purpose and without fee is hereby granted, provided 5*4882a593Smuzhiyun that the above copyright notice and this permission notice 6*4882a593Smuzhiyun appear in all copies, and that the name of Bellcore not be 7*4882a593Smuzhiyun used in advertising or publicity pertaining to this 8*4882a593Smuzhiyun material without the specific, prior written permission 9*4882a593Smuzhiyun of an authorized representative of Bellcore. BELLCORE 10*4882a593Smuzhiyun MAKES NO REPRESENTATIONS ABOUT THE ACCURACY OR SUITABILITY 11*4882a593Smuzhiyun OF THIS MATERIAL FOR ANY PURPOSE. IT IS PROVIDED "AS IS", 12*4882a593Smuzhiyun WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES. 13*4882a593Smuzhiyun 14