1. Algebraic K-theory I, Proceedings of the Battelle Institute Conference,1973
2. Grothendieck topologies;Artin,1962
3. Whitney numbers of geometric lattices;Baclawski;Advances in Math.,1975
4. Galois connections and the Leray spectral sequence;Baclawski;Advances in Math.,1977
5. Riemann-Roch for singular varieties;Baum,1974