Homological and Topological Properties of Locally Indicable Groups. James Howie; Hans-R. Schneebeli — 1983 Manuscripta mathematica
Permutation modules and projective resolutions. James Howie; Hans R. Schneebeli — 1981 Commentarii mathematici Helvetici
Groups of finite quasi-projective dimension. James Howie; Hans R. Schneebeli — 1979 Commentarii mathematici Helvetici