1. Minimalita¨tsbedingungen in der Theorie der Reduktionen von Idealen;Bo¨ger;Schriftenreihe Math. Inst. Univ. Mu¨nster,1968
2. The theory of multiplicity in general local rings;Nagata,1956
3. Note on a paper of Samuel concerning asymptotic properties of ideals;Nagata,1957
4. Local rings;Nagata,1962
5. Reductions of ideals in local rings;Northcott,1954