RT Book
T1 Systemtheorie / 2 Interventionstheorie
T2 UTB
JF Systemtheorie
A1 Willke, Helmut 1945-2024
LA German
PP Stuttgart
PB G. Fischer
YR 1994
UL https://krimdok.uni-tuebingen.de/Record/1111210152
SN 3825218007
SN 3437403265
K1 Systemtheorie
K1 Intervention
K1 Soziale Systeme