TY  - BOOK
AU  - Sherden,William A.
TI  - The fortune sellers: the big business of buying and selling predictions 
SN  - 0471181781 (cloth : acid-free paper)
AV  - CB158 .S456 1998
U1  - 003 14
PY  - 1998///
CY  - New York
PB  - John Wiley
KW  - Forecasting
KW  - History
KW  - Dự báo
KW  - Lý thuyết hệ thống
N1  - Includes bibliographical references (p. 286-297) and index
UR  - http://lcweb.loc.gov/catdir/toc/97015012.html
ER  -