@article{YJOR_1994_4_2_a7,
     author = {Keti Stasa},
     title = {Optimum {Design} of {Steel} {Trusses}},
     journal = {Yugoslav journal of operations research},
     pages = {205 },
     publisher = {mathdoc},
     volume = {4},
     number = {2},
     year = {1994},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/YJOR_1994_4_2_a7/}
}