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by Hellman, Arthur D.; Araiza, William D.; Baker, Thomas E.; et al.
by Ravitch, Frank S.; Backer, Larry Catá
by Griffin, Leslie C.; Seidel, Andrew L.
by Conkle, Daniel O.
by Liu, Cuilan
by Stone, Geoffrey R.
by Böckenförde, Ernst-Wolfgang; Künkler, Mirjam; Stein, Tine
by Ravitch, Frank S.; Backer, Larry C.