Used in 1 records
001 - CONTROL NUMBER
control field: 6252
003 - CONTROL NUMBER IDENTIFIER
control field: PSP
005 - DATE AND TIME OF LATEST TRANSACTION
control field: 20120320145507.0
008 - FIXED-LENGTH DATA ELEMENTS
fixed length control field: 120320|||a|||||| | ||| d
040 ## - CATALOGING SOURCE
Original cataloging agency: PSP
Transcribing agency: PSP
150 ## - HEADING--TOPICAL TERM
Topical term or geographic name as entry element: Telecommuniction systems
670 ## - SOURCE DATA FOUND
Source citation: Work cat.: (PSP)8785: Clark, M. P. 6251, Networks and telecommunications : , 1997