@article{DCG_1991__6_4_131146,
     author = {Z. F\"uredi},
     title = {The {Densest} {Packing} of {Equal} {Circles} into a {Parallel} {Strip.}},
     journal = {Discrete & computational geometry},
     pages = {95--106},
     publisher = {mathdoc},
     volume = {6},
     number = {4},
     year = {1991},
     zbl = {0722.52010},
     url = {http://geodesic.mathdoc.fr/item/DCG_1991__6_4_131146/}
}