Kazuo Iwama Akinori Kawachi Shigeru Yamashita Quantum Sampling for Balanced Allocations. 39-46 http://search.ieice.org/bin/summary.php?id=e88-d_1_39&category=D&year=2005&lang=E&abst= 2005 88-D IEICE Transactions 1 db/journals/ieicet/ieicet88d.html#IwamaKY05