TY  - BOOK
ED  - United States Employment Service.
TI  - Technical occupations in research design and development,: considered as directly supporting to engineers and physical scientists
AV  - TA158 .U6
U1  - 658.312 
PY  - 1961///
CY  - [Washington]
KW  - Technology
KW  - Vocational guidance
N1  - "BES no. E-194."; "Prepared ... in cooperation with the National Science Foundation."
ER  -