World guide to technical information and documentation services
World guide to technical information and documentation services
/ United Nations Educational, Scientific and Cultural Organization
- Paris: United Nations Educational, Scientific and Cultural Organization, 1965
- 287p.
Information science
Documentation centre technical centre
D 002.6:5/6(4/9) / K5
Information science
Documentation centre technical centre
D 002.6:5/6(4/9) / K5