Celebratio Mathematica

W. Neu­mann and L. Rudolph: “Un­fold­ings in knot the­ory,” Math. Ann. 278 : 1–​4 (1987), pp. 409–​439. Ded­ic­ated to Friedrich Hirzebruch. A cor­ri­gendum to this art­icle was pub­lished in Math. Ann. 282:2 (1989). MR 909235 Zbl 0675.​57010 article

W. Neu­mann and L. Rudolph: “Cor­ri­gendum: ‘Un­fold­ings in knot the­ory’,” Math. Ann. 282 : 2 (1988), pp. 349–​351. Cor­ri­gendum to art­icle pub­lished in Math. Ann. 278:1–4 (1987). MR 963022 Zbl 0675.​57011 article

W. D. Neu­mann and L. Rudolph: “The en­hanced Mil­nor num­ber in high­er di­men­sions,” pp. 109–​121 in Dif­fer­en­tial to­po­logy (Sie­gen, Ger­many, 27 Ju­ly–1 Au­gust 1987). Lec­ture Notes in Math­em­at­ics 1350. Spring­er (Ber­lin), 1988. MR 979336 Zbl 0655.​57015 incollection

W. D. Neu­mann and L. Rudolph: “Dif­fer­ence in­dex of vec­tor­fields and the en­hanced Mil­nor num­ber,” To­po­logy 29 : 1 (1990), pp. 83–​100. MR 1046626 Zbl 0760.​57003 article