Minimizing Picture Words. - Patrice Séébold; Karine Slowinski (IMYCS, 1990)

The Shortest Way to Draw a Connected Picture. - Patrice Séébold; Karine Slowinski (Comput. Graph. Forum, 1991)

A Decidability Result about Convex Polyominoes. - Danièle Beauquier; Michel Latteux; Karine Slowinski (LATIN, 1992)

Picture Words with Invisible Lines. - Karine Slowinski (Theor. Comput. Sci., 1993)

Redundant Retreat Free Words. - Patrice Séébold; Karine Slowinski (Mathematical Aspects of Natural and Formal Languages, 1994)