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by Horn, Robert E.
by Edited by R.K. Ramazani and Robert Fatton Jr. Preface by Jim Horn
by Van Horn, Robert
by Horn, Coornelia B.; Phenix, Robert R.
by Horn, Cornelia B.; Phenix, Robert R.
by Horn, Cornelia B.; Phenix, Robert R., Jr.
by Horn, Robert E.; Cleves, Anne
by Leoni, Bruno; Horn, Karen; Zoller, Michael; et al.