• Bibliography

      1. The REXX Language A Practical Approach to Programming [Second Edition]
        Author: Michael Cowlishaw
        IBM UK Laboratories Ltd.
        Published in 1990 by Prentice-Hall, Englewood Cliffs, New Jersey 07632.
        ISBN 0-13-780651-5

      2. The NetRexx Language
        Author: M. F. Cowlishaw
        Published in 1997 by Prentice-Hall, Upper Saddle River, New Jersey 07458.
        ISBN 0-13-806332-X

      3. Object-oriented analysis and design with applications - 2nd ed.
        Author: Grady Booch
        Published in 1994 by The Benjamin/Cummings Publishing Company, Inc. 390 Bridge Parkway, Redwood City, CA 94065
        ISBN 0-8053-5340-2

      4. The Tao of Objects
        Author: Gary Entsminger
        Published in 1990 by M&T Publishing, 501 Galveston Drive, Redwood City, CA 94063.
        ISBN 1-55851-155-5

      5. Design Patterns, Elements of Reusable Object-Oriented Software
        Authors: Erich Gamma . . . [ et al.].
        Published in 1995 by Addison-Wesley Publishing Company, Inc.
        ISBN 0-201-63361-2