Minimum-cardinality triangulations of the d-cube for d=5 and d=6. - Robert B. Hughes (Discret. Math., 1993)

A triangulation of the 6-cube with 308 simplices. - Robert B. Hughes; Michael R. Anderson (Discret. Math., 1993)

Lower bounds on cube simplexity. - Robert B. Hughes (Discret. Math., 1994)

Simplexity of the cube. - Robert B. Hughes; Michael R. Anderson (Discret. Math., 1996)