1. Motzkin numbers;Aigner;European J. Combin.,1998
2. Catalan-like numbers and determinants;Aigner;J. Combin. Theory Ser. A,1999
3. Catalan and other numbers: a recurrent theme;Aigner,2001
4. On integer-sequence-based constructions of generalized Pascal triangles;Barry;J. Integer Seq.,2006
5. Aztec diamonds and digraphs and Hankel determinants of Schröder numbers;Brualdi;J. Combin. Theory Ser. B,2005