@article{DCG_1988__3_1-2_131033,
     author = {Micha Sharir and A. Wiernik},
     title = {Planar {Realizations} of {Nonlinear} {Davenport-Schinzel} {Sequences} by {Segments.}},
     journal = {Discrete & computational geometry},
     pages = {15--48},
     publisher = {mathdoc},
     volume = {3},
     number = {1-2},
     year = {1988},
     zbl = {0636.68043},
     url = {http://geodesic.mathdoc.fr/item/DCG_1988__3_1-2_131033/}
}