Esther David Rina Azoulay-Schwartz Sarit Kraus An English Auction Protocol for Multi-attribute Items. 52-68 2002 conf/amec/2002 AMEC http://link.springer.de/link/service/series/0558/bibs/2531/25310052.htm db/conf/amec/amec2002.html#DavidAK02