Product-Weighted Lead Codes Revisited. - Seyoum Getu; Louis W. Shapiro; Wen-Jin Woan (J. Comb. Theory A, 1982)

The Riordan group. - Louis W. Shapiro; Seyoum Getu; Wen-Jin Woan; Leon C. Woodson (Discret. Appl. Math., 1991)

How to Guess a Generating Function. - Seyoum Getu; Louis W. Shapiro; Wen-Jin Woan; Leon C. Woodson (SIAM J. Discret. Math., 1992)

A Divisibility Property for a Subgroup of Riordan Matrices. - Paul Peart; Wen-Jin Woan (Discret. Appl. Math., 2000)

Area of Catalan paths. - Wen-Jin Woan (Discret. Math., 2001)

Uniform Partitions of Lattice Paths and Chung-Feller Generalizations. - Wen-Jin Woan (Am. Math. Mon., 2001)

Special Motzkin Paths: 10816. - Emeric Deutsch; Wen-Jin Woan (Am. Math. Mon., 2002)