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 author       = "K. Halunen and J. Kortelainen and Kortelainen T.",
 year         = "2009",
 title        = "Multicollision Attacks on Generalized Iterated Hash Functions",
 booktitle    = "Eight Australasian Information Security Conference (AISC2010)",
 series       = "Australian Computer Science Communications",
 volume       = "32",
 pages        = "85--93",
)
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@incollection(HoS,
 author       = "Jonathan Hoch and Adi Shamir",
 year         = "2006",
 title        = "Breaking the ICE -– Finding Multicollisions in Iterated Concatenated and Expanded (ICE) Hash Functions",
 editor       = "Matthew Robshaw",
 booktitle    = "Fast Software Encryption",
 series       = "Lecture Notes in Computer Science",
 volume       = "4047",
 publisher    = "Springer Berlin / Heidelberg",
 pages        = "179--194",
 doi          = "10.1007/11799313_12",
)
@incollection(Jou,
 author       = "Antoine Joux",
 year         = "2004",
 title        = "Multicollisions in Iterated Hash Functions. Application to Cascaded Constructions",
 editor       = "Matt Franklin",
 booktitle    = "Advances in Cryptology -- CRYPTO 2004",
 series       = "Lecture Notes in Computer Science",
 volume       = "3152",
 publisher    = "Springer Berlin / Heidelberg",
 pages        = "99--213",
 doi          = "10.1007/978-3-540-28628-8_19",
)
@unpublished(KKV,
 author       = "J. Kortelainen and T. Kortelainen and A. Vesanen",
 year         = "2011",
 title        = "Unavoidable regularities in long words with bounded number of symbol occurrences",
 note         = "Accepted to The 17th Annual International Computing and Combinatorics Conference (COCOON 2011)",
)
@article(KHK,
 author       = "Juha Kortelainen and Kimmo Halunen and Tuomas Kortelainen",
 year         = "2010",
 title        = "Multicollision attacks and generalized iterated hash functions",
 journal      = "J. Math. Cryptol.",
 volume       = "4",
 number       = "3",
 pages        = "239--270",
 doi          = "10.1515/JMC.2010.010",
)
@incollection(KKH,
 author       = "T. Kortelainen and J. Kortelainen and J. Halunen",
 year         = "2010",
 title        = "Variants of multicollision attacks on iterated hash functions",
 booktitle    = "6th China International Conference on Information Security and Cryptology (Inscrypt 2010)",
 pages        = "159--175",
)
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 author       = "M. Lothaire",
 year         = "1997",
 title        = "Combinatorics on words",
 series       = "Cambridge Mathematical Library",
 publisher    = "Cambridge University Press",
 address      = "Cambridge",
 doi          = "10.1017/CBO9780511566097",
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@book(dLV,
 author       = "Aldo de Luca and Stefano Varricchio",
 year         = "1999",
 title        = "Finiteness and regularity in semigroups and formal languages",
 series       = "Monographs in Theoretical Computer Science. An EATCS Series",
 publisher    = "Springer-Verlag",
 address      = "Berlin",
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@article(NaS,
 author       = "Mridul Nandi and Douglas R. Stinson",
 year         = "2007",
 title        = "Multicollision attacks on some generalized sequential hash functions",
 journal      = "IEEE Trans. Inform. Theory",
 volume       = "53",
 number       = "2",
 pages        = "759--767",
 doi          = "10.1109/TIT.2006.889721",
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@article(Res,
 author       = "A. Restivo",
 year         = "1977",
 title        = "Mots sans r\'ep\'etitions et langages rationnels born\'es",
 journal      = "RAIRO Informat. Th\'eor.",
 volume       = "11",
 number       = "3",
 pages        = "197--202, iv",
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@article(RR1,
 author       = "Antonio Restivo and Christophe Reutenauer",
 year         = "1983",
 title        = "Some applications of a theorem of {S}hirshov to language theory",
 journal      = "Inform. and Control",
 volume       = "57",
 number       = "2-3",
 pages        = "205--213",
 doi          = "10.1016/S0019-9958(83)80044-8",
)
@article(RR2,
 author       = "Antonio Restivo and Christophe Reutenauer",
 year         = "1985",
 title        = "Rational languages and the {B}urnside problem",
 journal      = "Theoret. Comput. Sci.",
 volume       = "40",
 number       = "1",
 pages        = "13--30",
 doi          = "10.1016/0304-3975(85)90156-2",
)
@incollection(STKT,
 author       = "Kazuhiro Suzuki and Dongvu Tonien and Kaoru Kurosawa and Koji Toyota",
 year         = "2006",
 title        = "Birthday paradox for multi-collisions",
 booktitle    = "Information security and cryptology---{ICISC} 2006",
 series       = "Lecture Notes in Comput. Sci.",
 volume       = "4296",
 publisher    = "Springer",
 address      = "Berlin",
 pages        = "29--40",
 doi          = "10.1007/11927587_5",
)