Inventory of data sources in science and technology :
Inventory of data sources in science and technology : a preliminary survey.
- París : UNESCO, 1982.
- v, 229 p.
"Prepared by CODATA for the General Information Programme and UNISIST"
923102048X
OC 5: 6. 008: 91 (083.82) =20 INV
"Prepared by CODATA for the General Information Programme and UNISIST"
923102048X
OC 5: 6. 008: 91 (083.82) =20 INV