@article{JGG_2006_10_2_JGG_2006_10_2_a7,
     author = {D. Lordick },
     title = {Upside {Down} and {Inside} {Out} -- {How} to {Systematically} {Generate} {Transformed} {Space} in {Images}},
     journal = {Journal for geometry and graphics},
     pages = {199--205},
     publisher = {mathdoc},
     volume = {10},
     number = {2},
     year = {2006},
     url = {http://geodesic.mathdoc.fr/item/JGG_2006_10_2_JGG_2006_10_2_a7/}
}