Statistics on science and technology - UNESCO 1980 - 212,tables - Engineers Scientists Technicians Research & development - CSR-S-10 . = Statistics on science and technology Standard No.: M Standard Tech. Report. No.: LCCN: B Nat. Bib. No.: 4204 Nat. Bib. Agency Control No.: 31:5/6 STA Subjects--Topical Terms: Statistics Universal Decimal Class. No.: 31:5/6