@article{JGG_1999_3_1_a2,
     author = {H. K. Ault},
     title = {Using {Geometric} {Constraints} to {Capture} {Design} {Intent}},
     journal = {Journal for geometry and graphics},
     pages = {039--046},
     year = {1999},
     volume = {3},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/JGG_1999_3_1_a2/}
}