@article{MABA_2004_18_1-2_a14,
     author = {Nelly Maneva},
     title = {Software {Engineering} {Models} and {Their} {Evaluation}},
     journal = {Mathematica balkanica},
     pages = {149},
     year = {2004},
     volume = {18},
     number = {1-2},
     url = {http://geodesic.mathdoc.fr/item/MABA_2004_18_1-2_a14/}
}