ex4ade.doc (ok)
ex4bozhao.doc (ok)
ex4groover.doc (dependency diagrams)
ex4gui.doc (further normalization is possible)
ex4kul.doc(dependency diagram)
ex4linli.pdf (further normalization)
ex4mcc.doc (ok)
ex4mcg.doc (no database schemas, no dependency diagrams -4)
ex4moh.doc (ok)
ex4zhou.pdf (ok)