Iskani niz je bil najden v IZTOČNICAH:
Bibliographic Retrieval Services,Inc.
Information technology and data processing
en
B R S
,
Cartographic Retrieval Service
Information technology and data processing
Humanities
en
CARES
,
Case Retrieval and Notification System
LAW
Information technology and data processing
en
CRANS
,
Chemical Information Retrieval and Updating Service
Information technology and data processing
en
CIRUS
,