April 2, 2023 Balakrishnan, Hamsa, Clewlow, Regina, Sussman, Joseph. “The impact of high-speed rail and low-cost carriers on European air passenger traffic” Transport Policy [0967070X] 33. (2014): 136-143. Print. Share this 33. (2014): 136-143. Print."] Related Stories See all news Mix-and-match kit could enable astronauts to build a menagerie of lunar exploration bots New “traffic cop” algorithm helps a drone swarm stay on task See all news