21
22
23
24
25
26
27
28
by Trihey, E. Woody,
Published [1981]
Published [1981]
Report Number(s): APA 476 APA 951 APA 3161 SUS 7
Link to full text
29
30
31
32
by Bjerklie, David M.
Published [1984]
Published [1984]
Report Number(s): SUS 444
Direct link to the clean copy of this report.List of all copies.
33
Published [1984]
Report Number(s): APA 481 APA 482
Direct link to the first volume (the main report).List of all volumes.
34
35
Published [1985]
Report Number(s): APA 3004 APA 3005 SUS 599 SUS 600
Direct link to the first volume (Stages I and II).List of all volumes.