%0 Journal Article %A Spano, Gilberto %T A categorification of the Alexander polynomial in embedded contact homology %J Algebraic and Geometric Topology %D 2017 %P 2081-2124 %V 17 %N 4 %U http://geodesic.mathdoc.fr/articles/10.2140/agt.2017.17.2081/ %R 10.2140/agt.2017.17.2081 %F 10_2140_agt_2017_17_2081