TY  - BOOK
AU  - Petracek,S.
ED  - European information center for the further education of teachers
TI  - Bulletin of the international bureau of education : : In - Servic teacher education / 
U1  - R/UNE/370.5/BUL 
PY  - 1985///
CY  - Paris
PB  - Unesco
KW  - Education
KW  - Periodicals
ER  -