وحيد2 http://unvlib.nilevalley.edu.sd/cgi-bin/koha/opac-shelves.pl?rss=1&viewshelf=2 RSS feed for public list وحيد2 Seismic Analysis of a R einforced Concrete Build ing by R esponse Spectrum Method/ by Ali Eltom Hassaballa http://unvlib.nilevalley.edu.sd/cgi-bin/koha/opac-detail.pl?biblionumber=20880