More on the generalized Macaulay theorem. - G. F. Clements (Discret. Math., 1971)

A minimization problem concerning subsets of a finite set. - G. F. Clements (Discret. Math., 1973)

Sperner's theorem with constraints. - G. F. Clements (Discret. Math., 1974)

Inequalities Concerning Numbers of Subsets of a Finite Set. - G. F. Clements (J. Comb. Theory A, 1974)

The Kruskal-Katona Method Made Explicit. - G. F. Clements (J. Comb. Theory A, 1976)

More on the generalized macaulay theorem - II. - G. F. Clements (Discret. Math., 1977)

An Existence Theorem for Antichains. - G. F. Clements (J. Comb. Theory A, 1977)

The Minimal Number of Basic Elements in a Multiset Antichain. - G. F. Clements (J. Comb. Theory A, 1978)

On maximal antichains containing no set and its complement. - G. F. Clements; Hans-Dietrich O. F. Gronau (Discret. Math., 1981)

Antichains in the set of subsets of a multiset. - G. F. Clements (Discret. Math., 1984)

A Generalization of the Kruskal-Katona Theorem. - G. F. Clements (J. Comb. Theory A, 1984)

An extremal problem for antichains of subsets of a multiset. - G. F. Clements (Discret. Math., 1987)

On multiset k-families. - G. F. Clements (Discret. Math., 1988)

Multiset antichains having minimal downsets. - G. F. Clements (J. Comb. Theory A, 1988)

Another Generalization of the Kruskal - Katona Theorem. - G. F. Clements (J. Comb. Theory A, 1994)

The cubical poset is additive. - G. F. Clements (Discret. Math., 1997)

Characterizing Profiles ofk-Families in Additive Macaulay Posets. - G. F. Clements (J. Comb. Theory A, 1997)

Yet another generalization of the Kruskal-Katona theorem. - G. F. Clements (Discret. Math., 1998)