@article{10_4153_CJM_1969_146_9,
     author = {Groemer, H.},
     title = {On {Plane} {Sections} and {Projections} of {Convex} {Sets}},
     journal = {Canadian journal of mathematics},
     pages = {1331--1337},
     year = {1969},
     volume = {21},
     number = {1},
     doi = {10.4153/CJM-1969-146-9},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1969-146-9/}
}