^Leung-Yan-Cheong، S.؛ Hellman، M. (1978). "The Gaussian wire-tap channel". IEEE Transactions on Information Theory. ج. 24 ع. 4: 451. DOI:10.1109/TIT.1978.1055917.
^Merkle، R.؛ Hellman، M. (1978). "Hiding information and signatures in trapdoor knapsacks". IEEE Transactions on Information Theory. ج. 24 ع. 5: 525. DOI:10.1109/TIT.1978.1055927.
^Pohlig، S.؛ Hellman، M. (1978). "An improved algorithm for computing logarithms over<tex>GF(p)</tex>and its cryptographic significance (Corresp.)". IEEE Transactions on Information Theory. ج. 24: 106. DOI:10.1109/TIT.1978.1055817.