1. SAS Institute, Inc. SAS/STAT user's Guide, Version 6, Fourth Edition, Volume 1. Cary, NC: SAS Institute Inc. 1989. 943 pp.

2. SAS Institute, Inc. SAS/STAT user's Guide, Version 6, Fourth Edition, Volume 2. Cary, NC: SAS Institute Inc. 1989. 846 pp.

Volume 1 and volume 2 document the procedures available with release 6.06 of SAS/STAT software. Volume 1 contains the introductory chapters and documents the ACECLUS through FREQ procedures. Volume 2 documents the GLM through VARCOMP procedures.

3. SAS Institute, Inc. SAS/GRAPH User's Guide, Release 6.03 Edition. Cary, NC: SAS Institute Inc. 1988. 549 pp.

This book documents all of the procedures available in release 6.03 of SAS/GRAPH software.

4. SAS Institute, Inc. SAS/GRAPH Guide for personal Computers, Version 6 Edition. Cary, NC: SAS Institute Inc. 1987. 534 pp.

A good reference to find examples of different types of graphs and the SAS statements to create the graphs.

5. SAS Institute, Inc. SAS/GRAPH Software: Graphics Editor Version 6, First Edition. Cary, NC: SAS Institute Inc. 1991. 174 pp.

Contains introductory, usage, and reference material for the graphics editor. This manual is written for users who are experienced using SAS software. Users should understand the programming concepts in the SAS language and have an idea of the tasks they want to perform with the graphics editor.

6. SAS Institute, Inc. SAS/IML User's Guide for Personal Computers, Version 6 Edition. Cary, NC: SAS Institute Inc. 1985. 243 pp.

This manual documents SAS/IML software, an interactive matrix language. This manual includes comprehensive descriptions of all SAS/IML commands, functions, and statements, as well as extensive examples of their uses.

7. Rawlings, J. O. 1988. Applied Regression Analysis: A Research Tool. Wadsworth & Brooks/Cole. Pacific Grove, CA.

A text to develop an understanding of least squares and related statistical methods without becoming excessively mathematical. The emphasis is on regression concepts, rather than mathematical proofs. Designed to follow the level of statistics provided in texts such as Steel and Torrie (1980) or Snedecor and Cochran (1980). This text mentions several of the statistics provided by SAS procedures REG and GLM.

8. Aho, A. V., B. W. Kernighan, and P. J. Weinberger. 1988. The AWK Programming language. Addison-Wesley. New York, NY.

9. Dougherty, D. 1992. Sed and Awk. UNIX Power Tools. O'Reilly and Associates, Inc. Sebastopol, CA.

10. Peek, J., T. O'Reilly and M. Loukides. 1994. UNIX Power tools. O'Reilly and Associates, Inc. Sebastopol, CA.