looking for a database

[giant30]

Hi all..
I'm looking for a speech database: YOHO Speaker Verification,
"The YOHO database contains a large scale, high-quality speech corpus to support text-dependent speaker authentication research, such as is used in "secure access" technology.

http://www.ldc.upenn.edu/Catalog/CatalogEntry.jsp?catalogId=LDC94S16

i just have a question: how can I find a free copy of that database?

Looking forward to hear from you..

best regards..

Sam