TY  - BOOK
AU  - Schwarz,Brita,1933-
AU  - Svedin,Uno,1943-
AU  - Wittrock,Bjorn
TI  - Methods in futures studies: problems and applications 
PY  - 1982///
CY  - Boulder, Colo.
PB  - Westview Press
KW  - Forescasting
KW  - Methodology
N1  - Includes bibliographical references
ER  -