TY  - BOOK
AU  - Evans,Anthony John
AU  - Rhodes,R.G.
AU  - Keenan,S.
ED  - Programa General de Información y UNISIST
TI  - Education and training of users of scientific and technical information: UNISIST guide for teachers 
SN  - 9231014528
PY  - 1977///
CY  - París
PB  - UNESCO
ER  -