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by Szatmary, David P.
by Rivera, Tomas
by Silverthorn, Dee Unglaub
by Stanovich, Keith E.
by Edmiston, William; Dumenil, Annie
by Martin-Gay, Elayn
by Beecher, Judith A.; Penna, Judith A.; Bittinger, Marvin L.
by Tarbuck, Edward J.; Lutgens, Frederick K.; Tasa, Dennis G.
by Jose A. Blanco
by Mercuri, Sandra; Musanti, Sandra; RodrÃguez, Alma