Perspectives on general system theory

Revision	When	Who	Comment

8	December 12, 2023	MARC Bot	import existing book
7	May 25, 2022	ImportBot	import existing book
6	February 14, 2020	MARC Bot	remove fake subjects
5	October 24, 2012	ImportBot	Added subject 'In library'
4	July 26, 2012	ImportBot	import new book
3	December 5, 2010	Open Library Bot	Added subjects from MARC records.
2	April 28, 2010	Open Library Bot	Linked existing covers to the work.
1	December 10, 2009	WorkBot	add works page