TY  - BOOK
ED  - United States.
TI  - Unemployment rarest and employment characteristics: far scientists and engineers 1971 
U1  -  331.137973 
PY  - 1971///
CY  - Washington, D.C.
PB  - U.S. National Science Foundotion.
KW  - Unemployment
KW  - United States
KW  - Labor supply
N1  - NSF 72.307
ER  -