Passive member libraries only download bibliographic records and add their library symbols in NUKAT original records. Active member libraries not only do that but also add bibliographic and authority records to the union database.
The University of Warsaw Library
Dobra St 56/66
00-312 Warsaw POLAND
(+48) 22 55 25 351
(+48) 22 55 25 330
nukat@uw.edu.pl