• Does secure time-stamping imply collision-free hash functions?Buldas, Ahto; Jürgenson, AivoLecture notes in computer science2007 / p. 138-150
• Genetic algorithm based structure identification for feedback control of nonlinear MIMO systemsVassiljeva, Kristina; Belikov, Juri; Petlenkov, EduardLecture notes in computer science2011 / p. 215-226 : ill https://link.springer.com/chapter/10.1007/978-3-642-23857-4_23
• Knowledge-binding commitments with applications in time-stampingBuldas, Ahto; Laur, SvenLecture notes in computer science2007 / p. 150-165 https://eprint.iacr.org/2007/071
• Practical security analysis of e-voting systemsBuldas, Ahto; Mägi, TriinuLecture notes in computer science2007 / p. 320-335
• Universally composable time-stamping schemes with auditBuldas, Ahto; Laud, Peeter; Saarepera, Märt; Villemson, JanLecture notes in computer science2005 / p. 359-373 https://link.springer.com/chapter/10.1007/11556992_26