TY  - BOOK
TI  - Social indicators,
AV  - HA40.S6 B3
PY  - 1966///]
CY  - Cambridge, Mass.
PB  - M.I.T. Press
KW  - Social indicators
KW  - United States
KW  - Social conditions
N1  - "Prepared by the American Academy of Arts and Sciences for the National Aeronautics and Space Administration."; Bibliographical footnotes.
ER  -