Webster, Ken:
The circular economy : a wealth of flows.
First edition.
Cowes
: Ellen MacArthur Foundation Publishing,
2015. - ISBN
9780992778422
Tom Dieck, Tammo:
Algebraic topology.
Zürich
: Europ. Math. Soc.,
2008
(EMS textbooks in mathematics). - ISBN
9783037190487
Studer, Rudi ; Volz, Raphael ; Stumme, Gerd ; Hotho, Andreas:
Semantic Web - State of the art and future directions.
In: KI Heft, Special Issue on the Semantic Web,
3
(2003),
S. 5-9