@article{MZ_1983__182_173272,
     author = {Paul Hill},
     title = {The {Balance} of {Tor.}},
     journal = {Mathematische Zeitschrift},
     pages = {179--188},
     publisher = {mathdoc},
     volume = {182},
     year = {1983},
     zbl = {0488.20042},
     url = {http://geodesic.mathdoc.fr/item/MZ_1983__182_173272/}
}