TY  - BOOK
AU  - Ljung, Lennart.
TI  - System identification: theory for the user
T2  - Prentice-Hall information and system sciences series
SN  - 0138816409
U1  - 003.1 
PY  - 1987///
CY  - Englewood Cliffs
PB  - Prentice-Hall,Inc.
ER  -