TY  - BOOK
AU  - Weinberg,Gerald M.
TI  - An introduction to general systems thinking /  
PY  - 1975///
CY  - New York : 
PB  - John Wiley, 
KW  - TEORIA DE LOS SISTEMAS
N2  - 1- The problem. -2  The approach. -3 System and illusion. -4 Interpreting observations. -5 Breaking down observations. -6 Describing behavoir. -7 Some systems questions
ER  -