2Ioannou P. G., Awwad R. E. Below-average bidding method [J]. Journal of Construction Engineering and Man- agement,2010,136(9) :936-946.
3Albano G. L., Bianchi M., Spagnolo G. Bid average methods in procurement[J]. Rivista di Politica Economica,2006 (1-2) :41-62.
4Decarolis F., Giorgiantonio C., Giovanniello V. The awarding of public works in Italy: an analysis of the mechanisms for the selection of contractor[R]. Bank of Italy Occasional, 2010.
5Krishna V. Auction theory [M].Elsevier Science,2002.