\input zb-basic \input zb-ioport \iteman{io-port 50230664} \itemau{Pinchasi, Rom} \itemti{Lines with many points on both sides} \itemso{Discrete & Computational Geometry 30, No. 3, 415-435 (2003).} \itemcc{} \itemut{} \itemli{doi:10.1007/s00454-003-2826-8} \end