@article{JGG_2001_5_1_a9,
     author = {E. Toledo Santos and J. I. Rojas Sola},
     title = {A {Proposal} for an {On-Line} {Library} of {Descriptive} {Geometry} {Problems}},
     journal = {Journal for geometry and graphics},
     pages = {093--1},
     publisher = {mathdoc},
     volume = {5},
     number = {1},
     year = {2001},
     url = {http://geodesic.mathdoc.fr/item/JGG_2001_5_1_a9/}
}