@article{JGG_2010_14_1_JGG_2010_14_1_a4,
     author = {S. Gorjanc },
     title = {Rose {Surfaces} and their {Visualizations}},
     journal = {Journal for geometry and graphics},
     pages = {59--67},
     year = {2010},
     volume = {14},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/JGG_2010_14_1_JGG_2010_14_1_a4/}
}