Celebratio Mathematica

incollection M. H. Freed­man: “A geo­met­ric re­for­mu­la­tion of 4-di­men­sion­al sur­gery,” pp. 133–​141 in Spe­cial volume in hon­or of R. H. Bing (1914–1986), published as To­po­logy Ap­pl. 24 : 1–​3 (1986). MR 0872483 Zbl 0898.​57005

incollection M. H. Freed­man: “Are the Bor­romean rings \( A \)-\( B \)-slice?,” pp. 143–​145 in Spe­cial volume in hon­or of R. H. Bing (1914–1986), published as To­po­logy Ap­pl. 24 : 1–​3. El­sevi­er Sci­ence B.V. (North-Hol­land) (Am­s­ter­dam), 1986. MR 0872484 Zbl 0627.​57004