Leverkusen (lā´fərkōō´zən), city (1994 pop. 161,760), North Rhine–Westphalia, W Germany, on the Rhine River. It is an industrial center and a road and rail junction. Manufactures include chemicals, pharmaceuticals, photographic film, machinery, and textiles. There is a noted chemical-research library in the city.
"Leverkusen." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (December 12, 2018). https://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/leverkusen
"Leverkusen." The Columbia Encyclopedia, 6th ed.. . Retrieved December 12, 2018 from Encyclopedia.com: https://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/leverkusen