@article{JGG_2015_19_2_JGG_2015_19_2_a2,
     author = {M. Hoffmann and J. Monterde and E. Troll },
     title = {Blending of {Spheres} by {Rotation-Minimizing} {Surfaces}},
     journal = {Journal for geometry and graphics},
     pages = {189--2},
     publisher = {mathdoc},
     volume = {19},
     number = {2},
     year = {2015},
     url = {http://geodesic.mathdoc.fr/item/JGG_2015_19_2_JGG_2015_19_2_a2/}
}