@article{JGG_1999_3_1_a5,
     author = {M. J. Keil and J. Rodriguez},
     title = {A {Method} for {Generating} {Compound} {Spring} {Element} {Curves} in {Contact} with {Cylindrical} {Surfaces}},
     journal = {Journal for geometry and graphics},
     pages = {067--076},
     year = {1999},
     volume = {3},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/JGG_1999_3_1_a5/}
}