@article{YJOR_2001_11_2_a2, author = {Milan Markovi\'c and Slobodan Guberini\'c and Tatjana Jankovi\'c}, title = {Optimization of {Investments} in {Rail-Highway} {Crossings}}, journal = {Yugoslav journal of operations research}, pages = {171 }, publisher = {mathdoc}, volume = {11}, number = {2}, year = {2001}, language = {en}, url = {http://geodesic.mathdoc.fr/item/YJOR_2001_11_2_a2/} }