Sean Everton at Stanford has written an excellent "beginners" manual on
using UCINET/PAJEK etc. It builds a solid foundation.  Here is the url
http://www.stanford.edu/group/esrg/siliconvalley/downloads.htm

--
===============================================
Karim R. Lakhani
MIT Sloan School of Management
MIT Free/Open Source Software Research Project
e-mail: [log in to unmask]
voice:  617-851-1224
fax:    617-344-0403
http://opensource.mit.edu
http://freesoftware.mit.edu
http://mit.edu/lakhani/www
==============================================