Ordnance Survey of Northern Ireland annual report and accounts for the year ended 31 March 2007.
Ordnance Survey of Northern Ireland.
Northern Ireland.Assembly.
London : TSO,
2007.
Laid before the Northern Ireland Assembly under section 11(3) (c) of the Government Resources and Accounts Act (Northern Ireland) 2001 by the Department of Culture, Arts and Leisure.
"NIA 40/06-07".