TY  - BOOK
AU  - Baer, Max F
AU  - Roeber, Edward C
TI  - Occupational information: its nature and use
U1  - 371.425 21st
PY  - 1951///
CY  - Chicago
PB  - Science Research Associates
KW  - Occupaitons-Classification; Occupation-Sociological aspects; Information science-Study and teaching; Information theory in education
ER  -