  1987 - Probability an Introduction [Prentice-Hall Mathematics Series.] (Paperback) ISBN-13: 9780486652528 ISBN-10: 0486652521 Genres: Science & Math, Engineering & Transportation ?  1986 - Introduction to Difference Equations (Paperback) → Hardcover ISBN-13: 9780486650845 ISBN-10: 0486650847 Genres: Science & Math, Engineering & Transportation ?  1958 - Introduction to Difference Equations (Hardcover) → Paperback ISBN-13: 9780471310518 ISBN-10: 0471310514 Genre: Science & Math ?  |
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