@incollection(BuDelDel09,
 author       = "M. Bucci and A. de Luca and A. De Luca",
 year         = "2009",
 title        = "Rich and {P}eriodic-{L}ike {W}ords",
 editor       = "V. Diekert and D. Nowotka",
 booktitle    = "Developments in Language Theory, 13th International Conference, DLT 2009, Stuttgart, Germany, June 30--July 3, 2009, Proceedings",
 series       = "Lecture Notes in Comput. Sci.",
 volume       = "5583",
 publisher    = "Springer",
 pages        = "145--155",
 doi          = "10.1007/978-3-642-02737-6\_11",
)
@article(CaDel01a,
 author       = "A. Carpi and A. de Luca",
 year         = "2001",
 title        = "Periodic-like words, periodicity and boxes",
 journal      = "Acta Informatica",
 volume       = "37",
 pages        = "597--618",
 doi          = "10.1007/PL00013314",
)
@incollection(CarDel05,
 author       = "A. Carpi and A. de Luca",
 year         = "2005",
 title        = "Central {S}turmian {W}ords: Recent {D}evelopments",
 editor       = "C. De Felice and A. Restivo",
 booktitle    = "Developments in Language Theory, 9th International Conference, DLT 2005, Palermo, Italy, July 4-8, 2005, Proceedings",
 series       = "Lecture Notes in Comput. Sci.",
 volume       = "3572",
 publisher    = "Springer",
 pages        = "36--56",
 doi          = "10.1007/11505877\_4",
)
@article(Dal02,
 author       = "F. D'Alessandro",
 year         = "2002",
 title        = "A combinatorial problem on {T}rapezoidal words",
 journal      = "Theoret. Comput. Sci.",
 volume       = "273",
 number       = "1-2",
 pages        = "11--33",
 doi          = "10.1016/S0304-3975(00)00431-X",
)
@article(GlJuWiZa09,
 author       = "A. Glen and J. Justin and S. Widmer and L. Q. Zamboni",
 year         = "2009",
 title        = "Palindromic richness",
 journal      = "European J. Combin.",
 volume       = "30",
 pages        = "510--531",
 doi          = "10.1016/j.ejc.2008.04.006",
)
@book(LothaireAlg,
 author       = "M. Lothaire",
 year         = "2002",
 title        = "Algebraic Combinatorics on Words",
 series       = "Encyclopedia of Mathematics and its Applications",
 publisher    = "Cambridge Univ. Press",
 address      = "New York, NY, USA",
)
@article(Del99,
 author       = "A. de Luca",
 year         = "1999",
 title        = "On the combinatorics of finite words",
 journal      = "Theoret. Comput. Sci.",
 volume       = "218",
 pages        = "13--39",
 doi          = "10.1016/S0304-3975(98)00248-5",
)
@incollection(DelDel05,
 author       = "A. de Luca and A. De Luca",
 year         = "2005",
 title        = "Palindromes in {S}turmian {W}ords",
 editor       = "C. De Felice and A. Restivo",
 booktitle    = "Developments in Language Theory, 9th International Conference, DLT 2005, Palermo, Italy, July 4-8, 2005, Proceedings",
 series       = "Lecture Notes in Comput. Sci.",
 volume       = "3572",
 publisher    = "Springer",
 pages        = "199--208",
 doi          = "10.1007/11505877\_18",
)
@article(DelDel06a,
 author       = "A. de Luca and A. De Luca",
 year         = "2006",
 title        = "Combinatorial properties of Sturmian palindromes",
 journal      = "Internat. J. Found. Comput. Sci.",
 volume       = "17",
 number       = "3",
 pages        = "557--573",
 doi          = "10.1142/S0129054106003991",
)
@article(DelDel06,
 author       = "A. de Luca and A. De Luca",
 year         = "2006",
 title        = "Some characterizations of finite {S}turmian words",
 journal      = "Theoret. Comput. Sci.",
 volume       = "356",
 pages        = "118--125",
 doi          = "10.1016/j.tcs.2006.01.036",
)
@article(DelGlZa08,
 author       = "A. de Luca and A. Glen and L. Q. Zamboni",
 year         = "2008",
 title        = "Rich, {S}turmian, and Trapezoidal words",
 journal      = "Theoret. Comput. Sci.",
 volume       = "407",
 pages        = "569--573",
 doi          = "10.1016/j.tcs.2008.06.009",
)
@article(DelMi94,
 author       = "A. de Luca and F. Mignosi",
 year         = "1994",
 title        = "Some combinatorial properties of {S}turmian words",
 journal      = "Theoret. Comput. Sci.",
 volume       = "136",
 number       = "2",
 pages        = "361--385",
 doi          = "10.1016/0304-3975(94)00035-H",
)
@article(Mig91,
 author       = "F. Mignosi",
 year         = "1991",
 title        = "On the number of factors of {S}turmian words",
 journal      = "Theoret. Comput. Sci.",
 volume       = "82",
 pages        = "71--84",
 doi          = "10.1016/0304-3975(91)90172-X",
)