@article{TAC_2009_22_a2,
     author = {Michael Barr and John F. Kennison and R. Raphael},
     title = {Searching for more absolute {CR-epic} spaces},
     journal = {Theory and applications of categories},
     pages = {54--76},
     publisher = {mathdoc},
     volume = {22},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAC_2009_22_a2/}
}