1. Transversality for piecewise linear manifolds;Armstrong, M. A.;Topology,1967
2. Transversality for polyhedra;Armstrong, M. A.;Ann. of Math. (2),1967
3. Piecewise linear bundles in the stable range;Haefliger, A.;Topology,1965
4. 4. A. Haefliger, Knotted spheres and related geometric problems, Abstracts of reports of I.C.M., Moscow, 1966.
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