Foerster, Heinz von Understanding systems : conversations on epistemology and ethics / Heinz von Foerster ; Bernhard Poerksen - Nueva York, Estados Unidos Kluwer Academic, c2002 2002 - 161 p. 24 cm.*il. - International Series on Systems Science and Engineering ; 17 . ISBN: 3-89670-234-3 Subjects--Topical Terms: CONOCIMIENTO, TEORIA DELENTREVISTASETICA Dewey Class. No.: 121/F685u