Coombs, Sheryl. editor. Bleckmann, Horst. editor. Fay, Richard R. editor. Popper, Arthur N. editor. SpringerLink (Online service)

Eggermont, Jos J. editor. Zeng, Fan-Gang. editor. Popper, Arthur N. editor. Fay, Richard R. editor. SpringerLink (Online service)

Gordon-Salant, Sandra. editor. Frisina, Robert D. editor. Popper, Arthur N. editor. Fay, Richard R. editor. SpringerLink (Online service)

Meddis, Ray. editor. Lopez-Poveda, Enrique A. editor. Fay, Richard R. editor. Popper, Arthur N. editor. SpringerLink (Online service)

Manley, Geoffrey A. editor. Fay, Richard R. editor. Popper, Arthur N. editor. SpringerLink (Online service)