TY  - BOOK
TI  - Road maps to the future
SN  - 0080261140 (pbk.)
AV  - GN360 
PY  - 1980///.
CY  - Oxford, New York
PB  - Pergamon Press
KW  - Social evolution
KW  - Social indicators
KW  - Social systems
KW  - State, The
KW  - âEtat
KW  - âEvolution sociale
KW  - Indicateurs sociaux
KW  - Syst?emes sociaux
KW  - Effectiviteit
KW  - gtt
KW  - Sociale stelsels
KW  - Sociale verandering
N1  - Includes bibliographical references.
ER  -