Takafumi Hayashi Zero-Correlation Zone Sequence Set Construction Using an Even-Perfect Sequence and an Odd-Perfect Sequence. 1871-1875 2007 90-A IEICE Transactions 9 http://dx.doi.org/10.1093/ietfec/e90-a.9.1871 db/journals/ieicet/ieicet90a.html#Hayashi07a