дэлгэрэнгүйг:
http://catalog.must.edu.mn/cgi-bin/koha/opac-detail.pl?biblionumber=112821&query_desc=kw%2Cwrdl%3A%20%D1%81%D1%82%D1%80%D0%B5%D1%81%D1%81%D0%B8%D0%B9%D0%BD%20%D1%8D%D0%B5%D1%80%D1%8D%D0%B3