The Dispersion of the Hammersley Sequence in the Unit Square. Paul Peart — 1982 Monatshefte für Mathematik
Generating functions via Hankel and Stieltjes matrices. Peart, Paul; Woan, Wen-Jin — 2000 Journal of Integer Sequences [electronic only]
Dyck paths with no peaks at height k . Peart, Paul; Woan, Wen-Jin — 2001 Journal of Integer Sequences [electronic only]