TY  - BOOK
AU  - Bundesinstitut Fur Berufsbildungs-forschung,
TI  - Elementary metal course training section 1 exercises: Special edition within the scope of technical cooperaion in the field of vocational training
AV  - TT 205 .E44 1973 
PY  - 1973///
CY  - Berlin
PB  - Bundesinstitut Fur Berufsbildungs-forschung
KW  - elementary metal course
ER  -