Circularity and Other Invariants of Gene Assembly in Ciliates. - Andrzej Ehrenfeucht; Ion Petre; David M. Prescott; Grzegorz Rozenberg (Words, Semigroups, and Transductions, 2001)

Universal and simple operations for gene assembly in ciliates. - Andrzej Ehrenfeucht; Ion Petre; David M. Prescott; Grzegorz Rozenberg (Where Mathematics, Computer Science, Linguistics and Biology Meet, 2001)

DNA Manipulations in Ciliates. - David M. Prescott (Formal and Natural Computing, 2002)

String and Graph Reduction Systems for Gene Assembly in Ciliates. - Andrzej Ehrenfeucht; Ion Petre; David M. Prescott; Grzegorz Rozenberg (Math. Struct. Comput. Sci., 2002)

How ciliates manipulate their own DNA - A splendid example of natural computing. - David M. Prescott; Grzegorz Rozenberg (Nat. Comput., 2002)

Formal systems for gene assembly in ciliates. - Andrzej Ehrenfeucht; Tero Harju; Ion Petre; David M. Prescott; Grzegorz Rozenberg (Theor. Comput. Sci., 2003)

Compositions Created with Constraint Programming. - David M. Prescott; Grzegorz Rozenberg (Cellular Computing, 2004)