CMSS - An Improved Merkle Signature Scheme. - Johannes Buchmann 001; Luis Carlos Coronado García; Erik Dahmen; Martin Döring; Elena Klintsevich (IACR Cryptol. ePrint Arch., 2006)

Merkle Signatures with Virtually Unlimited Signature Capacity. - Johannes Buchmann 001; Erik Dahmen; Elena Klintsevich; Katsuyuki Okeya; Camille Vuillaume (ACNS, 2007)