@article{YJOR_1993_3_1_a7,
     author = {Gerrit K. Janssens},
     title = {File {Size} {Determination} for {Waste} {Oil} {Collection} in the {Province} of {Antwerp}},
     journal = {Yugoslav journal of operations research},
     pages = {103 },
     publisher = {mathdoc},
     volume = {3},
     number = {1},
     year = {1993},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/YJOR_1993_3_1_a7/}
}