Mark Brittenham	coauthored with	Rachel Roberts	MR1472884 (98j:57040)
Rachel Roberts	coauthored with	John Shareshian	MR1969207 (2004e:57023)
John Shareshian	coauthored with	Anders Björner	MR1660341 (2000a:57001)
Anders Björner	coauthored with	Gil Kalai	MR0971798 (89m:52009)
Gil Kalai	coauthored with	Victor L. Klee, Jr.	MR1756646
Victor L. Klee, Jr.	coauthored with	R. H. Bing	MR0161336 (28 #4544)