Vikraman Arvind Rainer Schuler The Quantum Query Complexity of 0-1 Knapsack and Associated Claw Problems. 168-177 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2906&spage=168 2003 conf/isaac/2003 ISAAC db/conf/isaac/isaac2003.html#ArvindS03