%0 Journal Article %A Bobtcheva, Ivelina %A Messia, Maria Grazia %T HKR-type invariants of 4–thickenings of 2–dimensional CW complexes %J Algebraic and Geometric Topology %D 2003 %P 33-87 %V 3 %N 1 %U http://geodesic.mathdoc.fr/articles/10.2140/agt.2003.3.33/ %R 10.2140/agt.2003.3.33 %F 10_2140_agt_2003_3_33