Online Reverses Auctions

http://www.ehow.com/how_5224289_buy-cheap-cruise-reverse-auction.html

http://www.managingchange.com/dynamic/auctions.htm

http://www.artoftravel.com/04cheapflights.htm

http://www.articledashboard.com/Article/Reverse-Auctions---Tips-for-Successful-Bidding/954338

http://biddingfortravel.yuku.com/

http://www.betterbidding.com/index.php?showtopic=23792&

http://en.wikipedia.org/wiki/Reverse_auction

http://www.oltiby.com/