Presupposition and entailment. - John A. Barker (Notre Dame J. Formal Log., 1976)

Towards closure on closure. - Fred Adams; John A. Barker; Julia Figurelli (Synth., 2012)

Intersection statistics and percolation criteria for fractures of mixed shapes and sizes. - John A. Barker (Comput. Geosci., 2018)