Improvements to ground handling operations and their benefits to direct operating costs

http://www.fzt.haw-hamburg.de/pers/Scholz/ALOHA/ALOHA_PUB_DLRK_09_07_07.pdf

Cost Reduction Strategies in Ground Handling

http://www.frost.com/prod/servlet/market-insight-top.pag?Src=RSS&docid=188061385