DH/DSS-Data thesaurus : the thesaurus of the Departments of Health and Social Security Library Services, London /
Aitchison, Jean,1925-
Brewin, P. M. R.(Paul M R)
Cotton, J. E.(Joanna E)
Dua, E. D.
Great Britain.Department of Health and Social Security Library Services.
London : Department of Health and Social Security Library Services,
1993.
Previous ed.: 1985