TY  - BOOK
AU  - Wold,H.(Herman),1908-
AU  - Wold,Herman O.A.,1908-
TI  - Systems under indirect observation: causality, structure, prediction
SN  - 044486301X
PY  - 1982///
CY  - Amsterdam
PB  - North-Holland
KW  - Social sciences
KW  - Mathematical models
KW  - Congresses
KW  - Statistical methods
N1  - Includes bibliographies
ER  -