Book (webster2015circular)
Webster, K.
The circular economy : a wealth of flows
Ellen MacArthur Foundation Publishing,
2015
Book (tomdieck2008algebraic)
Tom Dieck, T.
Algebraic topology
Europ. Math. Soc.,
2008
Article (studer03semanticweb)
Studer, R.; Volz, R.; Stumme, G. & Hotho, A.
Semantic Web - State of the art and future directions
KI Heft, Special Issue on the Semantic Web,
2003, 3, 5-9