Ralph Merkle
发表
John W Rosenkrands,
James K Lutz,
Robert Doering,
1976
.
Hsinchun Chen,
Paul B. Kantor,
Fei-Yue Wang,
2005,
ISI.
Gheorghe Muresan,
Paul B. Kantor,
Fred S. Roberts,
2005
.
Ralph Merkle,
Neil Sarkar,
George D Skidmore,
2001
.