TY  - BOOK
AU  - Willems Jan C
TI  - Analysis of feedback systems
T2  - Massachusetts Institute of Technology, Research Monograph.62
SN  - 0 262 23046 1
U1  - B2893, L1 
PY  - 1971///
CY  - Cambridge
PB  - MIT Press         
N1  - Bibliography at the end of each chapter
ER  -