Heer, JeffreyLeitte, HeikeRopinski, TimoJeffrey Heer and Heike Leitte and Timo Ropinski2018-06-022018-06-022018https://doi.org/10.1111/cgf.13443https://diglib.eg.org:443/handle/10.1111/cgf1344310.1111/cgf.13443