@article{CSIS_2005_2_1_a1,
     author = {John Debenham},
     title = {An {Analysis} of {Knowledge} {Base} {Maintenance}},
     journal = {Computer Science and Information Systems},
     publisher = {mathdoc},
     volume = {2},
     number = {1},
     year = {2005},
     url = {http://geodesic.mathdoc.fr/item/CSIS_2005_2_1_a1/}
}