@article{CLTM_2008_2008_1_a12,
     author = {Hacking, Paul  },
     title = {Homology of tropical varieties},
     journal = {Collectanea mathematica},
     publisher = {mathdoc},
     volume = {59},
     number = {3},
     year = {2008},
     zbl = {1198.14059},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CLTM_2008_2008_1_a12/}
}