@article{SLC_2002-2003_48_a2,
     author = {Robin Forman},
     title = {A {User's} {Guide} to {Discrete} {Morse} {Theory}},
     journal = {S\'eminaire lotharingien de combinatoire},
     publisher = {mathdoc},
     volume = {48},
     year = {2002-2003},
     url = {http://geodesic.mathdoc.fr/item/SLC_2002-2003_48_a2/}
}