Roper, Nancy The elements of nursing a model for nursing based on a model of living by Nancy Roper, Winifred W. Loger, Alison J. Tierney. - 4th ed. - New York Churchill Living stone 1996 - xiv, 437p.; 28cm. Subjects--Topical Terms: Nursing. Dewey Class. No.: 610.73 / R83E