Crysmann, Berthold, and Olivier Bonami. Variation and competition in realisational morphology: overabundance in Adyghe and Maay In 11th Mediterranean Morphology Meeting. Nikosia, 2017.

Crysmann, Berthold, and Olivier Bonami. "Variable morphotactics in Information-Based Morphology." Journal of Linguistics 52 (2016): 311-374.

Bonami, Olivier, and Berthold Crysmann. Variable morphotactics in a nutshell: the case of French pronominal affixes In Paper presented at the Second European Workshop on HPSG. Paris, 2014.