@article{10_4064_cm89_1_4,
     author = {\'Swiatos{\l}aw R. Gal},
     title = {Euler characteristic of the
configuration space of a complex},
     journal = {Colloquium Mathematicum},
     pages = {61--67},
     year = {2001},
     volume = {89},
     number = {1},
     doi = {10.4064/cm89-1-4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm89-1-4/}
}