TY  - BOOK
AU  - Luhmann,Niklas
AU  - Baecker,Dirk
AU  - Gilgen,Peter
TI  - Introduction to systems theory
SN  - 9780745645728 (pbk.)
U1  - 301 LUH 
PY  - 2020///
CY  - Cambridge, UK 
PB  - Polity
KW  - Social systems
KW  - System theory
N1  - Technical Bureau
TB491/01
$28.00
ER  -