Voevodsky and Friedlander: http://www.math.uiuc.edu/K-theory/0075
Excision in bivariant periodic cyclic cohomology a categorical approach, by Guillermo Cortiñas and Christian Valqui http://www.math.uiuc.edu/K-theory/0586
arXiv: Experimental full text search
AG (Algebraic geometry)
nLab page on Bivariant cycle cohomology