TY  - GEN
ED  - Grã-Bretanha. Ministry of Labour
TI  - Laboratory techniciens and assistants
T2  - Choice of careers
PY  - 0000///HMSO
CY  - London
PB  - 1966
KW  - Institutos (Staff)
KW  - 112 u
KW  - A 17
KW  - A 21
ER  -