@article{CSIS_2007_4_2_a8,
     author = {Dariusz Rzonca and Jan Sadolewski and Bartosz Trybus},
     title = {Prototype environment for controller programming in the {IEC} 61131-3 {ST} language},
     journal = {Computer Science and Information Systems},
     year = {2007},
     volume = {4},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/CSIS_2007_4_2_a8/}
}