1. Euclidean space bundles and disk bundles;Adachi;Proc. Japan Acad.,1971
2. Open and closed disc bundles;Browder;Ann. Math.,1966
3. Path fields on manifolds;Brown;Trans. Am. Math. Soc.,1966
4. Nonsingular path fields on compact topological manifolds;Brown;Proc. Am. Math. Soc.,1965
5. Topological imbeddings of manifolds;Cernavskii;Dokl. Akad. Nauk SSSR Tom,1969